One Dance reached number one in the Netherlands in 2010.
The sooty barbthroat -LRB- Threnetes niger -RRB- is a hummingbird species in the family Trochilidae .. Trochilidae. Trochilidae. Threnetes. Threnetes. hummingbird. hummingbird. species. species. family. family ( biology ). It is found in French Guiana and the northeastern part of the Amazon Basin .. French Guiana. French Guiana. Amazon Basin. Amazon Basin. Its natural habitat is humid tropical lowland forest .. habitat. habitat. forest. forest. The taxonomy and systematics of the sooty / pale-tailed barbthroat complex has caused much confusion .. taxonomy. Taxonomy ( biology ). systematics. systematics. complex. Species complex. pale-tailed barbthroat. pale-tailed barbthroat. Some authors consider the sooty barbthroat to be a melanistic variant of the pale-tailed barbthroat -LRB- T. leucurus -RRB- .. melanistic. melanistic. pale-tailed barbthroat. pale-tailed barbthroat. As T. niger was described first , this scientific name is the valid name for both when they are considered conspecific .. scientific name. scientific name. conspecific. conspecific. On the other hand , the SACC for example considers T. niger and T. leucurus distinct species , because of insufficient published evidence for their being conspecific .. species. species. conspecific. conspecific. SACC. South American Classification Committee. This `` combined '' species is considered to be of Least Concern by the IUCN .. species. species. Least Concern. Least Concern. IUCN. IUCN. In addition , some suggest that the bronze-tailed barbthroat -LRB- T. n. loehkeni -RRB- should also be considered a valid species and include the doubtful Christina 's barbthroat -LRB- T. n. christinae -RRB- as a subspecies .. species. species. Freire 's sooty barbthroat -LRB- T. n. freirei -RRB- is intermediate between the sooty and bronze-tailed barbthroats however , and thus its status needs to be clarified before the situation is resolved .