Christmas imperial pigeon [SEP] IUCN conservation status
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Goliath imperial pigeon


The goliath imperial pigeon ("Ducula goliath"), also known as the New Caledonian imperial pigeon and the notou, is a species of bird in the family Columbidae. It is endemic to New Caledonia. Its natural habitat is humid forests. The International Union for Conservation of Nature (IUCN) has assessed it as a near-threatened species. This species was described as "Carpophaga" ("Phænorhina") "goliath" by George Robert Gray in 1859. It is a monotypic species. The goliath imperial pigeon
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Vanuatu imperial pigeon


The Vanuatu imperial pigeon or Baker's imperial pigeon ("Ducula bakeri") is a species of bird in the family Columbidae. It is endemic to Vanuatu and lives in forests. It is threatened by forest clearing, and the International Union for Conservation of Nature (IUCN) has assessed it as a vulnerable species. Norman Boyd Kinnear described the species from Santo in 1928, as "Muscadivora bakeri". The specific name of this bird commemorates the British zoologist John Randal Baker, who discovered the species. The Vanuatu imperial
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Rufescent imperial pigeon


The rufescent imperial pigeon ("Ducula chalconota"), also known as the shining imperial pigeon, is a species of bird in the family Columbidae. It is found in montane forests of New Guinea. The International Union for Conservation of Nature (IUCN) has assessed it as a least-concern species. This species was described by Tommaso Salvadori as "Carpophaga chalconota" in 1874. Two subspecies are recognised: "Ducula chalconota chalconota" found in Vogelkop and "D. c. smaragdina" found in western, central and eastern
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Island imperial pigeon


The island imperial pigeon ("Ducula pistrinaria") is a species of bird in the family Columbidae. It is found in the Bismarck Archipelago and the Solomon Islands archipelago, living in primary and secondary forests and mangroves. The International Union for Conservation of Nature (IUCN) has assessed it as a least-concern species. This species was described by Charles Lucien Bonaparte in 1855. The following subspecies are recognised: "Ducula pistrinaria rhodinolaema", "D. p. vanwyckii", "D. p. postrema" and "D. p.
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Pink-bellied imperial pigeon


The pink-bellied imperial pigeon ("Ducula poliocephala") otherwise known as the Philippine zone-tailed imperial pigeon, the zone-tailed pigeon, the Philippine imperial pigeon, or "balud", is found in the Philippines. It is a fruit-eating bird. According to the IUCN Red List and BirdLife International's Red Book, the pink-bellied imperial pigeon is a "near threatened" species as of 2000. This is due to the loss of habitat and exploitation by humans. The pink-bellied
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Christmas imperial pigeon


The Christmas imperial pigeon, ("Ducula whartoni"), is a large (39 cm in length, 450-700 g in weight) pigeon, mainly dark grey in colour with an iridescent sheen. The species is endemic to Christmas Island in the eastern Indian Ocean. It inhabits rainforest and secondary growth with fruiting trees. Fruit from forest trees with occasional buds and leaves. It builds a platform nest of twigs high in a forest tree. It utters a deep booming call. The Christmas imperial pigeon was classified as
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Pied imperial pigeon


and IUCN. Its taxonomy is confusing and remains unsettled. It has sometimes included the Torresian, yellowish and silver-tipped imperial pigeons as subspecies. The widespread nominate subspecies of the pied imperial pigeon differs from all these by its plain white thighs and undertail coverts (though often with a dark spot at the very tip), and its narrowly dark-tipped bluish bill. For comparison, the other species' have black-spotted undertail coverts and thighs (spotting mainly near thighs in silver-tipped imperial pigeon), the
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Marquesan imperial pigeon


mid-height, at or rarely as low as , in a forest tree. A single glossy white egg is laid. No further information is known of the species breeding habits. Formerly classified by the IUCN as a critically endangered species with an estimated population of less than 150 adult birds, it was suspected to be more numerous than generally assumed. Following the evaluation of its population status, with an estimated 150 to 300 birds in total on the island, and it is consequently downlisted to Vulnerable status in 2008; it
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Micronesian imperial pigeon


The Micronesian imperial pigeon ("Ducula oceanica"), also known as the Micronesian pigeon, is a species of bird in the family Columbidae (doves). It is found in Palau, the Caroline Islands, the Marshall Islands and Nauru. Its habitats include montane forests, secondary forests, forests on beaches, and mangroves. It is threatened by hunting and deforestation, and the IUCN has assessed it as a near-threatened species. The species was first described as "Columba oceanica" in 1826. The binomial authority
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Imperial pigeon


iridescent and less well defined, is the pink-headed imperial pigeon ("D. rosacea") as the nominate species, the Christmas Island ("D. whartoni"), the grey ("D. pickeringii") and the island ("D. pistrinaria") imperial pigeons. Contains 4 subgroups of large dark chestnut-bellied pigeons. a) The chestnut-bellied imperial pigeon ("D. brenchleyi") is the nominate species with the Baker’s ("D. bakeri"), Peale’s ("D. latrans
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Committee on the Status of Endangered Wildlife in Canada


in Canada) and 15 wildlife species that are Extinct (X). The other category is not at risk (NAR). COSEWIC provides online updated status reports on designated species. COSEWIC bases its quantitative criteria for species' status assessment on the revised IUCN Red List, the world's most comprehensive inventory of the global conservation status of biological species. COSEWIC provides International Union for the Conservation of Nature (IUCN), the world's main authority on the conservation status of species, with a Regional Red List. IUCN.
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Andaman green pigeon


The Andaman green pigeon ("Treron chloropterus") is a pigeon in the genus "Treron". It is found in the Andaman and Nicobar Islands. Many authorities split the species from the pompadour green pigeon complex.It has been added in the 2014 Red List of International Union for Conservation of Nature(IUCN) in July 2014. The Andaman green pigeon usually occur singly or in small groups. Its flight is fast and direct, with the regular beats and an occasional sharp flick of the wings that are characteristic of pigeons in
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Spinifex pigeon


The spinifex pigeon ("Geophaps plumifera"), also known as the plumed-pigeon or gannaway pigeon, is one of four endemic Australian bird species within the genus "Geophaps". It occurs within a broader group known as bronzewing pigeons. This species is listed under the International Union for Conservation of Nature (IUCN) Red List category ‘of least concern’. It most frequently occurs in arid and semi-arid habitats containing hummock-forming grasses of the genera "Triodia" and "Plectrachne". John Gould
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Chatham pigeon


The Chatham pigeon, Chatham Island pigeon, or parea (from Moriori) ("Hemiphaga chathamensis") is a bird endemic to the Chatham Islands in New Zealand. Growing to 800g in weight and 55 cm in length, the Chatham pigeon is a relative of the kereru or New Zealand pigeon ("Hemiphaga novaeseelandiae"). While rated vulnerable by IUCN, it is considered critically threatened in New Zealand. After the population declined to 40 birds in the late 1980s, conservation efforts have helped their numbers increase to around
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Pink pigeon


The pink pigeon ("Nesoenas mayeri") is a species of pigeon in the family Columbidae endemic to Mauritius. The pink pigeon nearly became extinct in the 1990s and is still very rare. It is the only Mascarene pigeon that has not gone extinct. It was on the brink of extinction in 1991 when only 10 individuals remained, but its numbers have increased due to the efforts of the Durrell Wildlife Conservation Trust since 1977. While the population remains at below 500 birds as of 2011, the IUCN downlisted the species from
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Geophaps


Table 1.1, shows the following information- Common name, scientific name/s, sub-species, size, distribution and IUCN (International Union for Conservation of Nature and Natural Resources) Red List Status, "Geophaps" species are ground feeding granivores, with studies finding that seeds make up their diet almost entirely, with a small number of insects found in the crops of "Geophaps smithii""." While the Spinifex pigeon is found in arid tussock/spinifex grasslands, the spinifex grass seeds have not been found to
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Brook Islands National Park


Reef Marine Park Authority. Public access to the three islands in the national park is prohibited in order to protect breeding birds, especially the Torresian imperial-pigeon. The islands have no roads, walking tracks or other facilities. Popular activities in the waters around the islands are boating, snorkelling and fishing. The islands are managed by the Queensland Parks and Wildlife Service. The Park's IUCN category is II. Up to 60,000 pied imperial-pigeons breed on the islands during summer, providing a spectacle to onlookers as they return
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Bolle's pigeon


more suitable habitat. Some illegal hunting and poisoning continues because of the damage this pigeon can do to crops. Perhaps the main limiting factor on the rate at which the pigeon increases its numbers is eggs and young being taken by introduced black rats. It is now classed as Least Concern on the IUCN Red List, an improvement on its Threatened status in 1988. This species is protected under the European Union Birds Directive, and the laurel forests under the Habitats Directive. The genus "Columba" is the largest within the pigeon
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Passenger pigeon


practices which prevented many other species from becoming extinct. The rapid decline of the passenger pigeon has influenced later assessment methods of the extinction risk of endangered animal populations. The International Union for the Conservation of Nature (IUCN) has used the passenger pigeon as an example in cases where a species was declared "at risk" for extinction even though population numbers are high. Today, more than 1,532 passenger pigeon skins (along with 16 skeletons) are in existence, spread across many institutions all over the world. It has been
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Chatham Islands


which came perilously close to extinction before drawing the attention of conservation efforts. Other endemic species are the Chatham oystercatcher, the Chatham gerygone, Chatham pigeon, Forbes' parakeet, the Chatham snipe and the shore plover. The endemic Chatham shag (IUCN classification CR), Pitt shag (IUCN classification EN) and the Chatham albatross (IUCN classification VU) are at risk of capture by a variety of fishing gear, including fishing lines, trawls, gillnets, and pots. For accounts and notes on seabird species seen in the
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International Union for Conservation of Nature


Unlike other environmental organisations, IUCN does not itself aim to directly mobilize the general public. Education has been part of IUCN's work program since the early days but the focus is on stakeholder involvement and strategic communication rather than mass-campaigns. IUCN runs field projects for habitat and species conservation around the world. It produces the IUCN Red List of Threatened Species and the IUCN Red List of Ecosystems which in a similar way measures risks to ecosystems. The IUCN Red List of Ecosystems is a global standard to assess the conservation status
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Conservation biology


they sustain. Aldo Leopold was a classical thinker and writer on such conservation ethics whose philosophy, ethics and writings are still valued and revisited by modern conservation biologists. The International Union for the Conservation of Nature (IUCN) has organized a global assortment of scientists and research stations across the planet to monitor the changing state of nature in an effort to tackle the extinction crisis. The IUCN provides annual updates on the status of species conservation through its Red List. The IUCN Red List serves as an international conservation tool to identify those
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Laurel pigeon


for wood and to create agricultural and grazing land. The exclusion of livestock from the native forest allows it to regenerate and create more suitable habitat. Some illegal hunting and poisoning continues because of the damage this pigeon can do to crops. Perhaps the main limiting factor on the rate at which the pigeon increases its numbers is eggs and young being taken by introduced black rats. It is now classed as Near Threatened on the IUCN Red List, an improvement on its Threatened status in 1988. This species is protected under the European
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Conservation status


use. The IUCN Red List of Threatened Species is the best known worldwide conservation status listing and ranking system. Species are classified by the IUCN Red List into nine groups set through criteria such as rate of decline, population size, area of geographic distribution, and degree of population and distribution fragmentation. Also included are species that have gone extinct since 500 CE. When discussing the IUCN Red List, the official term "threatened" is a grouping of three categories: critically endangered, endangered, and vulnerable. The Convention on
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Nepenthes bicalcarata


level. The conservation status of "N. bicalcarata" is listed as Vulnerable on the 2006 IUCN Red List of Threatened Species based on an assessment carried out in 2000. In 1997, Charles Clarke informally classified the species as Near Threatened based on the IUCN criteria. This agrees with the conservation status assigned to "N. bicalcarata" by the World Conservation Monitoring Centre. The two thorns that give "N. bicalcarata" its name are unique to this species and bear some of the largest nectaries in the plant kingdom. The purpose of
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Atalaya (plant)


underground woody rootstocks. In South Africa three species grow naturally. The scarcity of "A. natalensis" trees and their restricted range has received the global conservation status (IUCN) of "vulnerable D2". "A. capensis" has a global conservation status (IUCN) listing also, of "Lower Risk / conservation dependent" . In Papua New Guinea "A. papuana" grows naturally in coast monsoon dune scrub (coastal rainforests on dune soils that become seasonally dry, with deciduous trees), tropical savanna forests and in regenerating
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World Commission on Protected Areas


The World Commission on Protected Areas (WCPA) is one of six commissions of the International Union for the Conservation of Nature (IUCN). In 1948, the IUCN established a Committee on National Parks. Two decades later the IUCN had been asked by the international community to take responsibility for preparing a world list of national parks in keeping with its role as a network to share the world’s knowledge on nature conservation, and in 1960, the IUCN raised the status of the Committee to that of a permanent Commission, with
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IUCN Red List of Ecosystems


The IUCN Red List of Ecosystems (RLE) is a global framework for monitoring and documenting the status of ecosystems. It was developed by the International Union for Conservation of Nature as part of the growing toolkit for biodiversity risk assessment. Its main objective is to support conservation, resource use, and management decisions by evaluating all the world's ecosystems by 2025. The Red List of Ecosystem was developed by the International Union for the Conservation of Nature (IUCN), the world's leading authority on the subject and the same entity
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Camas pocket gopher


lupines. Citing concerns of urbanization, habitat loss and active attempts at eradication, NatureServe assesses the camas pocket gophers' conservation status as vulnerable. The conservation status of the camas pocket gopher is classified as "least concern" by the IUCN (International Union for Conservation of Nature) Species Programme, with a stable population trend. The IUCN notes that the gopher is common in its range; studies indicate that populations can recover rapidly after traps are removed from an area, and the species may adapt well to environmental changes. The
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IUCN Red List


The IUCN Red List of Threatened Species (also known as the IUCN Red List or Red Data List), founded in 1964, is the world's most comprehensive inventory of the global conservation status of biological species. It uses a set of criteria to evaluate the extinction risk of thousands of species and subspecies. These criteria are relevant to all species and all regions of the world. With its strong scientific base, the IUCN Red List is recognized as the most authoritative guide to the status of biological diversity. A series of
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International Union for Conservation of Nature


its focus beyond conservation ecology and now incorporates issues related to sustainable development in its projects. Unlike many other international environmental organisations, IUCN does not itself aim to mobilize the public in support of nature conservation. It tries to influence the actions of governments, business and other stakeholders by providing information and advice, and through building partnerships. The organization is best known to the wider public for compiling and publishing the IUCN Red List of Threatened Species, which assesses the conservation status of species worldwide. IUCN has a membership of over 1400
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Cormorant


of living cormorants and shags. Third, this scheme is also used by the IUCN, making it easier to incorporate data on status and conservation. In accordance with the treatment there, the imperial shag complex is here left unsplit as well, but the king shag complex has been. The cormorants and the darters have a unique bone on the back of the top of the skull known as the "os nuchale" or occipital style which was called a xiphoid process in early literature. This bony projection provides anchorage for the muscles
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International Union for Conservation of Nature


governmental and non-governmental organizations. Some 16,000 scientists and experts participate in the work of IUCN commissions on a voluntary basis. It employs approximately 1000 full-time staff in more than 50 countries. Its headquarters are in Gland, Switzerland. IUCN has observer and consultative status at the United Nations, and plays a role in the implementation of several international conventions on nature conservation and biodiversity. It was involved in establishing the World Wide Fund for Nature and the World Conservation Monitoring Centre. In the past, IUCN has been criticized
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International Union for Conservation of Nature


Council of Europe. In 1961, at the request of United Nations Economic and Social Council (ECOSOC), the United Nations Economic and Social Council, IUCN published the first global list of national parks and protected areas which it has updated ever since. IUCN's best known publication, the Red Data Book on the conservation status of species, was first published in 1964. IUCN began to play a part in the development of international treaties and conventions, starting with the African Convention on the Conservation of Nature and Natural Resources.
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Nepenthes spathulata


. It is somewhat reminiscent of the highland heath forests around Bareo in Sarawak, Borneo. Due to the patchy distribution of "N. spathulata", its conservation status is listed as Vulnerable on the 2006 IUCN Red List of Threatened Species. However, Charles Clarke suggests a revised status of Conservation Dependent based on the IUCN criteria. The closest relative of "N. spathulata" appears to be "N. singalana". It differs from this species in having a peristome that is contracted towards the front and very wide at the sides.
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Regional Red List


A Regional Red List (RRL) is a report of the threatened status of species within a certain country or region. It is based on the IUCN Red List of Threatened Species, an inventory of the conservation status of species on a global scale. Regional Red Lists assess the risk of extinction to species within a political management unit and therefore may feed directly into national and regional planning. This project is coordinated by the Zoological Society of London (ZSL), the World Conservation Union (IUCN) and partners in national governments
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Henderson Island (Pitcairn Islands)


imperial pigeon, and Polynesian or Pacific imperial pigeon which are no longer found on the island, and two others – Christmas shearwater and red-footed booby – that still visit but no longer nest. It is hypothesized that the Polynesian settlers may have driven these bird species, along with six terrestrial snail species, to local extinction, and this loss of a ready and regular food supply may have contributed to the Polynesians' subsequent disappearance. The island has been identified by BirdLife International as an Important Bird Area for its endemic landbirds
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Regional Red List


, universities and organizations throughout the world. Regional Red Lists may assist countries or regions in: The IUCN Categories and Criteria were initially designed to assess the conservation status of species globally, however there was a demand for guidelines to apply the system at the regional level. In 2003, IUCN developed a set of transparent, quantitative criteria to assess the conservation status of species at the regional and national level. This approach is now being applied in many countries throughout the world. Recently, Regional Red Lists have been completed for Mongolian
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Endangered species


An endangered species is a species which has been categorized as very likely to become extinct in the near future. Endangered (EN), as categorized by the International Union for Conservation of Nature (IUCN) Red List, is the second most severe conservation status for wild populations in the IUCN's schema after  (CR). In 2012, the IUCN Red List featured 3,079 animal and 2,655 plant species as endangered (EN) worldwide. The figures for 1998 were, respectively, 1,102 and 1,197. Many nations have laws that
3812127
Fa'ahia


and the Huahine starling. Locally extinct land birds found were striated heron, spotless crake, Polynesian ground dove, Marquesan imperial pigeon, Polynesian imperial pigeon, and Tahiti reed warbler. The only globally extinct seabird was the Huahine gull, but several other seabirds that are now locally extinct, at least as breeders, were found, including the wedge-tailed shearwater, Christmas shearwater, Audubon's shearwater, Tahiti petrel, phoenix petrel, Trindade petrel, brown booby, red-footed booby, great frigatebird, lesser frigatebird, and
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List of critically endangered mammals


a full assessment of conservation status. As these species typically have small distributions and/or populations, they are intrinsically likely to be threatened, according to the IUCN. While the category of "data deficient" indicates that no assessment of extinction risk has been made for the taxa, the IUCN notes that it may be appropriate to give them "the same degree of attention as threatened taxa, at least until their status can be assessed." This is a complete list of critically endangered mammalian species and subspecies evaluated by the IUCN.
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List of critically endangered arthropods


As of July 2016, the International Union for Conservation of Nature (IUCN) lists 394 critically endangered arthropod species, including 86 which are tagged as "possibly extinct". 4.1% of all evaluated arthropod species are listed as critically endangered. The IUCN also lists three arthropod subspecies as critically endangered. No subpopulations of arthropods have been evaluated by the IUCN. Additionally 2875 arthropod species (30% of those evaluated) are listed as "data deficient", meaning there is insufficient information for a full assessment of conservation status.
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List of critically endangered molluscs


As of September 2016, the International Union for Conservation of Nature (IUCN) lists 581 critically endangered mollusc species, including 117 which are tagged as "possibly extinct". 8.0% of all evaluated mollusc species are listed as critically endangered. The IUCN also lists 11 mollusc subspecies as critically endangered. No subpopulations of molluscs have been evaluated by the IUCN. Additionally 1988 mollusc species (27% of those evaluated) are listed as "data deficient", meaning there is insufficient information for a full assessment of conservation status.
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List of critically endangered insects


As of July 2016, the International Union for Conservation of Nature (IUCN) lists 195 critically endangered insect species, including 46 which are tagged as "possibly extinct". 3.2% of all evaluated insect species are listed as critically endangered. The IUCN also lists two insect subspecies as critically endangered. No subpopulations of insects have been evaluated by the IUCN. Additionally 1702 insect species (28% of those evaluated) are listed as "data deficient", meaning there is insufficient information for a full assessment of conservation status.
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List of critically endangered invertebrates


As of July 2016, the International Union for Conservation of Nature (IUCN) lists 987 critically endangered invertebrate species, including 206 which are tagged as "possibly extinct". 5.5% of all evaluated invertebrate species are listed as critically endangered. The IUCN also lists 14 invertebrate subspecies as critically endangered. No subpopulations of invertebrates have been evaluated by the IUCN. Additionally 5278 invertebrate species (29% of those evaluated) are listed as "data deficient", meaning there is insufficient information for a full assessment of conservation status.
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Snow pigeon


The population is believed to be stable, and for these reasons, the International Union for Conservation of Nature has assessed its conservation status as being of least concern. They frequent rocky hill sides and sequestered valleys, seen up to the snow line. They frequently feed in the fields during the day, but roost in the cliffs. They are generally shy and wary. Gatherings of 150 or more occur in winter, often in company of hill pigeon and in some areas with rock pigeon, too. In the summer, they
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International Union for Conservation of Nature


1974) and its formal standing and influence increased. A grant from the Ford Foundation in 1969 enabled it to boost its secretariat and expand operations. During the 1960s, IUCN lobbied the UN General Assembly to create a new status for NGOs. Resolution 1296, adopted in 1968, granted 'consultative' status to NGOs. IUCN itself was eventually accredited with six UN organizations. IUCN was one of the few environmental organisations formally involved in the preparations of the United Nations Conference on the Human Environment (Stockholm, 1972). The
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Livingstone National Park


species conservation Act 1995). Along with international recognition under the International Union for Conservation of Nature (IUCN) Red List of Threatened Species (IUCN 2004). Identifying the habitat of, and monitoring its condition, is an important conservation action in the National recovery plan for the Swift Parrot. The protection status of Livingstone National Park means management is consistent with and intends to deliver the actions in recovery plans for conserving the Swift Parrots overwintering ground, when it leaves breeding grounds in Tasmania and disperses widely over the mainland, from
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Imperial pigeon


Torres Strait pigeon, and the pied imperial pigeon. "D. spilorrhoa" is also described as the nutmeg pigeon, the white nutmeg pigeon, the Australian pied pigeon, the Australian pied imperial pigeon, the Torres Strait pigeon or the Torresian imperial pigeon. Imperial pigeons are only found in southern Asia, Australia, New Guinea and the Pacific, a distribution from the Himalayas ("D. badia") to Tahiti in the South Pacific ("D. aurorare"). The greatest diversity of birds is in New Guinea. Imperial
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Pethia cumingii


and Flora of Sri Lanka, IUCN Sri Lanka. IUCN, (2000); The 1999 list of threatened fauna and flora of Sri Lanka, IUCN Sri Lanka. IUCN, (2000); The Fauna of Sri Lanka Status of Taxonomy, Research and Conservation, IUCN Sri Lanka. Perera, N., (2002); Preliminary Survey of Upper Attanagalu River basin in South West Ichthyological Zone of Sri Lanka, SRI LANKA NATURALIST, JOURNAL OF ECOLOGY AND NATURE, Young Zoologist’s Association of Sri Lanka. Pethiyagoda, R.
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Frederick Yeh


sea turtle conservation efforts in Hawaii. According to the global authority on nature conservation, International Union for the Conservation of Nature (IUCN), the sea turtles of the Hawaiian Islands were also once under the threat of near extinction, but are now thriving and their conservation status reclassified as "Least Concern" according to the IUCN Red List. Thus, Yeh established Sea Turtles 911 under Hawaiian jurisdiction, and changed the course of his life by moving to China to save the sea turtles he had hopelessly witnessed being sold, earning
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Rodrigues flying fox


a few hundred in total in the wild, and the bat is classified as endangered by the IUCN. The Durrell Wildlife Conservation Trust has undertaken a successful captive breeding program, and there are now colonies in several zoos. Due to its imperiled status, it is identified by the Alliance for Zero Extinction as a species in danger of imminent extinction. In 2013, Bat Conservation International listed this species as one of the 35 species of its worldwide priority list of conservation. In 2017, the IUCN determined that this species now has
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Whale conservation


the North Atlantic Ocean around Greenland, Iceland, and Norway. There is no information about fin whales in areas outside of the Northern Atlantic, where they still hold the status of being endangered. A complete list of whale conservation statuses as listed by the IUCN is given below. Note that, in the case of the blue and gray whales, the IUCN distinguishes the statuses of various populations. These populations, while not regarded as separate species, are considered sufficiently important in terms of conservation. *Atlantic population of gray whale
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Silvery pigeon


, Indonesia, with notes on identification, distribution and conservation The silvery pigeon is known from mangrove forests and other woodland in the low-lying offshore islands and adjacent coastal regions, at an altitude below 100 m ASL. It is believed to wander around following fruit in season, and was often found in association with much larger flocks of the pied imperial pigeon. It also breeds in these birds' nesting colonies, probably over a period of several months from March/April on. Like most other pigeons, it builds a
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Plains rat


' by the International Union for the Conservation of Nature (IUCN), the IUCN conservation status for the species is 'vulnerable'. The name "Pseudomys" comes from the combined form of the Greek word "pseudes" (meaning "false") and the Latin word "mys" (meaning "mouse"), presumably because of the plains rat's puzzling similarities and differences to "true mice" in the genus "mus". The name "australis" comes from the Latin word "australis" (
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Barking imperial pigeon


The barking imperial pigeon ("Ducula latrans"), also known as Peale's imperial pigeon, is a species of bird in the pigeon family Columbidae. It is endemic to Fiji, where it occurs on most of the medium and large islands. Its natural habitats are mature tropical moist lowland forests and tropical moist montane forest. The species is one of two imperial-pigeons found in Fiji; the other, the Pacific imperial pigeon, is found on smaller islands. The barking imperial pigeon is frugivorous, feeding on large
8448196
Stenogomphurus consanguis


Stenogomphurus consanguis, the Cherokee clubtail, is a species of clubtail dragonfly in the family Gomphidae. It is endemic to the southeastern United States, found in small rivers and streams. The IUCN conservation status of "Stenogomphurus consanguis" is "LC", least concern, with no immediate threat to the species' survival. The IUCN status was reviewed in 2018. The species had a Red List assessment of "rare" from 1986 to 1994, "vulnerable" in 1996, and "endangered" in 2007. There are
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Phanogomphus sandrius


Phanogomphus sandrius, the Tennessee clubtail, is a species of clubtail dragonflies in the family Gomphidae. It is found in the United States, in nine locations of central Tennessee. The IUCN conservation status of "Phanogomphus sandrius" is "VU", vulnerable. The species faces a high risk of endangerment in the medium term, with a decreasing population. The IUCN status was reviewed in 2018. "Phanogomphus sandrius" was assessed as "endangered" in 1996 and "vulnerable" in 2007. "Phanogomphus sandrius" was recently
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Gomphurus septima


Gomphurus septima, or Septima's clubtail, is a species of clubtail dragonflies in the family Gomphidae. The IUCN conservation status of "Gomphurus septima" is "LC", least concern, with no immediate threat to the species' survival. The population is stable. The IUCN status was reviewed in 2018. "Gomphurus septima" was recently considered a member of the genus "Gomphus", but in 2017 it became a member of the genus "Gomphurus" when "Gomphurus" was elevated from subgenus to genus rank.
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Pied imperial pigeon


bill of the Torresian imperial pigeon is greenish-yellow, and the bills of the yellowish and silver-tipped imperial pigeons are bluish at the base and yellowish at the tip. Furthermore, the yellowish imperial pigeon has a distinctive yellowish tinge to its plumage (some pied imperial pigeons may also appear yellowish, but infrequently to the same extent), and the silver-tipped imperial pigeon has silvery-grey remiges. However, the taxon "melanura" of the Moluccas, which usually is considered a subspecies of the pied imperial
16781143
Regional Red List


this regional network there will be opportunities to learn from each other’s experiences in applying the IUCN Categories and Criteria and in using this information for conservation planning and priority setting. Two public bodies in Britain, Natural England and the Joint Nature Conservation Committee (JNCC), have produced British Red Data Books and other reviews of different plants and animals assigning their conservation status according to IUCN Red Data Book criteria. In 2016 the JNCC produced a spreadsheet which incorporated these reviews and lists of threatened species based on other crieteria such as Biodiversity
544312
Endangered species


protect conservation-reliant species: for example, forbidding hunting, restricting land development or creating protected areas. Population numbers, trends and species' conservation status can be found at the lists of organisms by population. The conservation status of a species indicates the likelihood that it will become extinct. Many factors are considered when assessing the status of a species; e.g., such statistics as the number remaining, the overall increase or decrease in the population over time, breeding success rates, or known threats. The IUCN Red List of
3812128
Yellowish imperial pigeon


The yellowish imperial pigeon ("Ducula subflavescens"), also known as the yellow-tinted imperial pigeon or Bismarck imperial pigeon (leading to easy confusion with "D. melanochroa"), is a relatively large species of bird in the family Columbidae. It is endemic to forest and woodland in the Bismarck Archipelago. It is threatened by habitat loss. It is often considered a subspecies of the Torresian imperial pigeon (which in turn sometimes is considered a subspecies of the pied imperial pigeon), but is increasingly treated as a
8448257
Mountain imperial pigeon


The mountain imperial pigeon ("Ducula badia"), also known as the maroon-backed imperial pigeon or Hodgson's imperial pigeon, is a species of bird in the pigeon and dove family with a wide range in south-eastern Asia. The mountain imperial pigeon is the largest pigeon species in its range at long. It has a fairly long tail, broad, rounded wings and slow wing-beats. The head, neck and underparts are vinous-grey with a contrasting white throat and brownish-maroon upperparts and
8448143
Western rosella


is as protected fauna, and of the inland subspecies is one of "likely to become extinct". In the assessment of the inland "P. icterotis xanthogenys" for the federal government's "Action Plan for Australian Birds" 2000 it was assigned the status of 'near threatened'. The 2013 assessment by the International Union for Conservation of Nature (IUCN) on their IUCN redlist assigns a status of species of least concern. It notes the species has become less common and locally extinct and the population trend is declining due
9884559
Vanuatu imperial pigeon


easily found. A frugivore, it eats fruits of trees, shrubs and vines, and it moves within islands to search for food. Its call is a powerful repeated "twoo-too-too-too-too". Its breeding biology is unknown. The population of the species is estimated at 2,500 to 9,999 mature individuals, or 3,500 to 15,000 birds in total. The population is probably declining since it is threatened by the clearing of forests for agriculture and hunting. The IUCN has assessed it as a vulnerable species
8448164
Goliath imperial pigeon


it warms itself on a branch. Its call is a low "oom", and it also gives a "gkrarr" at dusk. It breeds from June to December. The nest, in diameter, is woven from twigs and built on a branch. One white egg is laid and incubated by both parents. This species's population size is estimated at about 10,000 birds. It is hunted as game both legally and illegally. Traditionally, it is hunted for feasts from late February to early May. The IUCN considers the
8448195
Nepenthes mikei


undisclosed for conservation purposes, "N. mikei" grows alongside "N. flava". The conservation status of "N. mikei" is listed as Vulnerable on the IUCN Red List, based on an assessment carried out in 2000. This agrees with an informal assessment made by Charles Clarke in 2001, who also classified the species as Vulnerable based on the IUCN criteria. However, Clarke noted that since substantial populations of "N. mikei" lie within protected areas, they "are unlikely to become threatened in the foreseeable future".
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Data deficient


A data deficient (DD) species is one which has been categorized by the International Union for Conservation of Nature (IUCN) as offering insufficient information for a proper assessment of conservation status to be made. This does not necessarily indicate that the species has not been extensively studied; but it does indicate that little or no information is available on the abundance and distribution of the species. The IUCN recommends that care be taken to avoid classing species as "data deficient" when the absence of records may indicate dangerously low abundance:
11837392
List of critically endangered birds


As of May 2019, the International Union for Conservation of Nature (IUCN) lists 224 critically endangered avian species, including 18 which are tagged as "possibly extinct" or "possibly extinct in the wild". 2.1% of all evaluated avian species are listed as critically endangered. No subpopulations of birds have been evaluated by the IUCN. Additionally 61 avian species (0.59% of those evaluated) are listed as "data deficient", meaning there is insufficient information for a full assessment of conservation status. As these species
1905585
List of mammals of Oman


This is a list of the mammal species recorded in Oman. There are at least 62 mammal species in Oman that have been assessed by the International Union for Conservation of Nature (IUCN), of these, one is critically endangered, four are endangered, eight are vulnerable, and two are near threatened. The following tags are used to highlight each species' conservation status as assessed by the IUCN: Some species were assessed using an earlier set of criteria. Species assessed using this system have the following instead of near threatened
21788905
IUCN Red List of Ecosystems


protocols, developed by national or subnational authorities differed in focus and implementation, were often incomparable, and unable of separating strict risk analysis from the process of setting conservation priorities. In 2008, during the IV World Conservation Congress (Barcelona, Spain), the process of developing criteria to estimate their risk status was activated and the IUCN laid the foundations for the creation of a Red List of Ecosystems (RLE). The initial development of the criteria for the Red List of ecosystems was based on analogies with the criteria for species
4416628
Antarctic minke whale


and Brazil, and the latter off South Australia. All involved calves or juveniles. The Antarctic minke whale is currently considered Near Threatened by the IUCN red list. However, the IUCN states that the population size is "clearly in the hundreds of thousands". The Antarctic minke whale is listed on Appendix II of the Convention on the Conservation of Migratory Species of Wild Animals (CMS). It is listed on Appendix II as it has an unfavourable conservation status or would benefit significantly from international co-operation organised by tailored
7370221
Nepenthes faizaliana


regular visitors, the species can be easily observed along the Pinnacles Trail on Mount Api. The conservation status of "N. faizaliana" is listed as Vulnerable on the 2006 IUCN Red List of Threatened Species based on an assessment carried out in 2000. In 1997, Charles Clarke informally classified the species as Vulnerable based on the IUCN criteria, noting that it is Conservation Dependent if populations in protected areas are taken into account. "Nepenthes faizaliana" belongs to the loosely defined ""N. maxima" complex", which also includes
9597176
Rufescent imperial pigeon


found singly, sometimes in pairs. It often sits in the middle layers of the forest, and it does not leave the forest. Usually silent, it hums slowly and mournfully and also gives a low "hoo" and a hollow knock. Duetting has been observed. It eats figs and fruits. The breeding is unknown except that individuals in breeding condition have been collected in February and March. The population is stable and does not have substantial threats, so the IUCN has assessed it as a least-concern species.
8448188
Astatotilapia bloyeti


Astatotilapia bloyeti is a species of haplochromine cichlid from the coastal river systems of Tanzania. Reports from other areas of Africa are considered to refer to related species. The IUCN considers it to be endemic to the Pangani River and includes Kenya in its range. This species taxonomic status is uncertain and some authorities place it in the genus "Haplochromis" while others retain it in "Astatotilapia". This taxonomic uncertainty has led the IUCN to classify this species conservation status as Data Deficient. The specific name honours the collector of the type
15754960
Phanogomphus diminutus


Phanogomphus diminutus is a species of clubtail dragonfly in the family Gomphidae. It is endemic to the southeastern United States. Its natural habitats are boggy trickles and slow, small streams and lakes, all with part sand, part silt bottoms, and Sphagnum moss margins. The IUCN conservation status of "Phanogomphus diminutus" is "LC", least concern, with no immediate threat to the species' survival. The IUCN status was reviewed in 2018. The species had a Red List assessment of "rare" from 1986 to 1994
16664675
List of critically endangered fishes


meaning there is insufficient information for a full assessment of conservation status. As these species typically have small distributions and/or populations, they are intrinsically likely to be threatened, according to the IUCN. While the category of "data deficient" indicates that no assessment of extinction risk has been made for the taxa, the IUCN notes that it may be appropriate to give them "the same degree of attention as threatened taxa, at least until their status can be assessed." This is a complete list of critically endangered fish species and
17654333
List of critically endangered reptiles


information for a full assessment of conservation status. As these species typically have small distributions and/or populations, they are intrinsically likely to be threatened, according to the IUCN. While the category of "data deficient" indicates that no assessment of extinction risk has been made for the taxa, the IUCN notes that it may be appropriate to give them "the same degree of attention as threatened taxa, at least until their status can be assessed." This is a complete list of critically endangered reptile species and subspecies evaluated by the
2441629
Christmas Island


northeastern shore terraces. The more widespread great frigatebirds nest in semi-deciduous trees on the shore terrace, with the greatest concentrations being in the North West and South Point areas. The common noddy and two species of bosun or tropicbirds, with their brilliant gold or silver plumage and distinctive streamer tail feathers, also nest on the island. Of the ten native land birds and shorebirds, seven are endemic species or subspecies. This includes the Christmas thrush and the Christmas imperial pigeon. Some 86 migrant bird species have been recorded as
5322074
Tamaraw


was classified as "Status inadequately known" by the IUCN. Enough data was gathered on the tamaraw population by 1986, and the IUCN conservation monitoring center declared the species endangered. Throughout succeeding surveys conducted in 1988, 1990, 1994 and 1996, the species remained listed on the Red List as "endangered". The relisting of the species in 1996 fulfilled the IUCN criteria "B1+2c" and "D1". Criterion "B1" indicated that the species' range was less than 500 square kilometers and is known
16233893
Spotted green pigeon


of the spotted green pigeon resembles that of the Nicobar pigeon in some respects, it is also similar to that of species in the imperial pigeon genus "Ducula". The metallic-green colouration is commonly found among them, and similar hackles can be seen in the goliath imperial pigeon ("D. goliath"). The Polynesian imperial pigeon ("D. aurorae") has similar soft feathers, and immature individuals of this species and the Pacific imperial pigeon ("D. pacifica") have plumage different from that of juvenile
13033114
Imperial pigeon


) The "pacifica" subgroup of six species, similar to "aenea" but with enlarged ceres, and distributed throughout the Pacific. The Pacific ("D. pacifica") and the Micronesian ("D. oceania") imperial pigeons are similar allospecies, while the Polynesian ("D. aurorae") and Marquesan ("D. galeata") imperial pigeons are larger birds with dark plumage. The red-knobbed imperial pigeon ("D. rubricera") and the spice imperial pigeon ("D. myristicivora") are similar
8448119
Amolops marmoratus


Myanmar and likely from northern Thailand, though it may occur more widely. For example, International Union for Conservation of Nature (IUCN), using a less stringent delineation of the species, reported the species also from Bangladesh, Bhutan, China, India, and Nepal. While IUCN in its assessment in 2004 considered "Amolops marmoratus" to be of "Least Concern" in view of its wide distribution and presumed large population, recognizing higher biodiversity within the species warrants further assessment of its conservation status. As is typical for
12513167
List of critically endangered plants


As of September 2016, the International Union for Conservation of Nature (IUCN) lists 2493 critically endangered plant species, including 145 which are tagged as "possibly extinct" or "possibly extinct in the wild". 11% of all evaluated plant species are listed as critically endangered. The IUCN also lists 89 subspecies and 70 varieties as critically endangered. Additionally 1674 plant species (7.6% of those evaluated) are listed as "data deficient", meaning there is insufficient information for a full assessment of conservation status. As
14631905
List of parrots


the base of the parrot tree. Most authors now recognize this group as a separate taxon containing two families: Nestoridae and Strigopidae. Conversely, the relationships among various cockatoo genera are largely resolved. Conservation status codes listed follow the International Union for Conservation of Nature (IUCN) Red List of Threatened Species. Range maps are provided wherever possible; if a range map is not available, a description of the bird's range is provided. Ranges are based on the IUCN red list for that species unless otherwise noted. All extinct
15237656
Rajeev Raghavan


status of several endemic fish species of the Western Ghats. As of May 2019, Rajeev has published over 140 peer-reviewed papers (with 1300 citations) in some of the world’s top journals in fisheries and conservation science including Fish and Fisheries, Biological Conservation, ; Marine Policy and Ambio. Rajeev is closely involved with the work of the IUCN Species Survival Commission (IUCN SSC) holding multiple responsibilities in its various groups. He is currently the South Asia Coordinator of the Freshwater Fish Specialist Group (FFSG); Freshwater
18829219
List of critically endangered amphibians


As of September 2016, the International Union for Conservation of Nature (IUCN) lists 545 critically endangered amphibian species, including 113 which are tagged as "possibly extinct". 8.4% of all evaluated amphibian species are listed as critically endangered. No subpopulations of amphibians have been evaluated by the IUCN. Additionally 1567 amphibian species (24% of those evaluated) are listed as "data deficient", meaning there is insufficient information for a full assessment of conservation status. As these species typically have small distributions and/or populations, they
2441403
NatureServe


partners with IUCN Red List, the accepted standard for worldwide imperiled species classification, providing coordination assistance and data from their own assessments to the IUCN's conservation assessments, and working together on ongoing assessments. NatureServe Explorer is a web-based database provides public access to NatureServe's proprietary information on US and Canadian ecosystems and plant, animal, and fungus species. This includes ranked NatureServe conservation status assessment data on state, national, and global levels, considered a leading classification of imperiled species in the United States. Infonatura is a
4262843
Pied imperial pigeon


pigeon, resembles the Torresian imperial pigeon in bill, thighs and undertail coverts, but has a significantly broader black tail-tip. Consequently, some have suggested it should be placed under the Torresian imperial pigeon, while others have suggested it should be considered an entirely separate species, "D. melanura" (for which the name black imperial pigeon has been used – an unfortunate choice, as only the tail has significantly more black than the other members of this group, and the name black imperial pigeon usually has been used for
16781144
List of cetacean species


and then species. In tabular form, seven descriptors are given for each species: the common name; the scientific name; the IUCN red list status; a global population estimate; a global map with its range; its weight with an image of its shape, and its size relative to a human; and a photograph. Conservation status codes listed follow the IUCN red list of threatened species (v. 2014.3; data current at ). Where available, the global population estimate has been listed. When not cited or footnoted
18467169
Wild Bactrian camel


years. According to the International Union for Conservation of Nature and Natural Resources (IUCN) its status was critical in the 1960s and gradually declined to critically endangered (Criteria: A3de + 4ade) status in 2000–2004 (IUCN 2004). Wild Bactrian camels face many threats. The main threat is illegal hunting of the camels for their meat. In the Gobi Reserve Area, 25 to 30 camels are reported to be poached every year, and about 20 in the Lop Nur Reserve. Hunters have been killing the camels by laying
6416359
Phengaris rebeli


rigorously studied in Europe because it has priority conservation status and was classified as "vulnerable" in 2000 by the IUCN Red List of Threatened Species. It was first brought to the IUCN's attention and listed on the IUCN Red List of Threatened Species in 1986. The species was categorized as "vulnerable" because its population decreased by 20-50% in the last 25 years and has been extirpated from at least one country. The causes of this drastic population reduction are thought to be agricultural land use changes, abandonment of
12173134
Imperial pigeon


"), and New Caledonian ("D. goliath") imperial pigeons, being allopatric through the Western Pacific islands. b) The Pinon imperial pigeon ("D. pinon") is found in New Guinea and its islands. c) The collared imperial pigeon ("D. mulleri") is found in New Guinea and Aru and has a distinctive dark collar. d) The Bismarck imperial pigeon ("D. melanochroa") is found on the Bismarck Archipelago. "D. zoeae" of Indonesia and New Guinea, is
8448122
Scheepmaker's crowned pigeon


named it after him. Scheepmaker's crowned pigeon was previously considered as conspecific with Sclater's crowned pigeon ("Goura sclaterii") with the English name southern crowned-pigeon. A molecular phylogenetic study published in 2018 found that Scheepmaker's crowned pigeon was most closely related to the Victoria crowned pigeon ("Goura victoria"). Being tame and heavily hunted for its meat and plumes, Scheepmaker's crowned pigeon is evaluated as Vulnerable on the IUCN Red List of Threatened Species. It is listed in Appendix II of CITES.
21219426
Green imperial pigeon


The green imperial pigeon ("Ducula aenea") is a large forest pigeon. The green imperial pigeon is a large, plump pigeon, 45 cm in length. Its back, wings and tail are metallic green. The head and underparts are white, apart from maroon undertail coverts. Sexes are similar. The bird's call is deep and resonant, and is often the first indication of the presence of this treetop species. The Nicobar imperial pigeon ("Ducula nicobarica") is sometimes still considered conspecific. This is
20426627
Imperial pigeon


sufficiently distinct in colour to be placed in a species-group of its own. a) The mountain ("D. badia") and the dark-backed ("D. lacernulata") imperial pigeons have a widespread distribution, the former from Indian subcontinent to south China and Malaysia, and the latter in southern Indonesia. b) The Timor imperial pigeon ("D. cineracea") is a similar grey pigeon, but found in Timor. The pied imperial pigeons form a discrete group of large white pigeons with black wingtips
8448123
Pullen Island Conservation Park


Pullen Island Conservation Park is a protected area includes all of Pullen Island about south of Port Elliot in South Australia and about south of Adelaide. The park was proclaimed in 1972 under "National Parks and Wildlife Act 1972" replacing earlier protected area status as a Fauna Conservation Reserve which was proclaimed in 1967. The protected area status exists to protect the island as a breeding area for sea birds such as little penguins and silver gulls. The conservation park is classified as an IUCN Category IA protected area. In 1980, it was
680618
List of mammals of Spain


are used to highlight each species' conservation status as assessed by the International Union for Conservation of Nature. If the IUCN status of a species in Spain only is different from its global status, the status in Spain is shown next between brackets: Some species were assessed using an earlier set of criteria. Species assessed using this system have the following instead of near threatened and least concern categories: Elephant shrews are small insectivorous mammals native to Africa and members of the superorder Afrotheria. Their name derives from their elongated noses resembling the
21719885
Nepenthes fusca


suggested a revised assessment of Conservation Dependent. The IUCN status is at odds with an assessment by the World Conservation Monitoring Centre, which classified "N. fusca" as "not threatened", its lowest conservation status. Habitat destruction is considered to be the greatest threat to the species's survival in the wild. Plant poaching is of far lesser concern, as this species is not particularly sought after in the carnivorous plant hobby and its epiphytic habit makes it largely inaccessible to collectors. Among the closest relatives of "N. fusca"
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