Turkey (bird) India rather than the Americas on his voyage. In Portuguese a turkey is a "peru"; the name is thought to derive from the eponymous country Perú. Several other birds that are sometimes called turkeys are not particularly closely related: the brushturkeys are megapodes, and the bird sometimes known as the "Australian turkey" is the Australian bustard ("Ardeotis australis"). The anhinga ("Anhinga anhinga") is sometimes called a water turkey, from the shape of its tail when the feathers are fully spread for drying. An infant turkey is called a "chick" or "poult". Turkeys have been known to be aggressive toward humans
Turkey vulture was 16 years old. Leucistic (sometimes mistakenly called "albino") turkey vultures are sometimes seen. The turkey vulture, like most other vultures, has very few vocalization capabilities. Because it lacks a syrinx, it can only utter hisses and grunts. It usually hisses when it feels threatened, or when fighting with other vultures over a carcass. Grunts are commonly heard from hungry young and from adults in their courtship display. The turkey vulture has a large range, with an estimated global occurrence of . It is the most abundant vulture in the Americas. Its global population is estimated to be 4,500,000 individuals.