<Tr> <Td_colspan="2"> <P> Falco leucocephalus Linnaeus, 1766 </P> </Td> </Tr> <P> Falco leucocephalus Linnaeus, 1766 </P> <P> The bald eagle (Haliaeetus leucocephalus, from Greek ἅλς, hals "sea", αἰετός aietos "eagle", λευκός, leukos "white", κεφαλή, kephalē "head") is a bird of prey found in North America . A sea eagle, it has two known subspecies and forms a species pair with the white - tailed eagle (Haliaeetus albicilla). Its range includes most of Canada and Alaska, all of the contiguous United States, and northern Mexico . It is found near large bodies of open water with an abundant food supply and old - growth trees for nesting . </P> <P> The bald eagle is an opportunistic feeder which subsists mainly on fish, which it swoops down and snatches from the water with its talons . It builds the largest nest of any North American bird and the largest tree nests ever recorded for any animal species, up to 4 m (13 ft) deep, 2.5 m (8.2 ft) wide, and 1 metric ton (1.1 short tons) in weight . Sexual maturity is attained at the age of four to five years . </P>

Where are bald eagles found in the world