The bald eagle is a bird of prey-that is, a flesh-eating bird. Its Latin name-Haleaeetus leucocephalus-means 'white-headed sea eagle.' It is called 'bald' because the word was used in times past to mean white or white faced.
1 There are still occasional unconfirmed local reports of Spixâs macaw sightings in Serra da Capivara National Park. 2  Spixâs macaw is relatively long-lived, estimates suggest it could reach 20 to 30 years of age in the wild.
A house sparrow nesting on a saguaro cactus. Saguaros have a relatively long lifespan, often exceeding 150 years. They may grow their first side arm any time from 75â100 years of age, but some never grow any arms. A saguaro without arms is called a spear.