<Li> H. l. washingtoniensis (Audubon, 1827), synonym H. l. alascanus Townsend, 1897, the northern subspecies, is larger than southern nominate leucocephalus . It is found in the northern United States, Canada and Alaska . </Li> <P> The bald eagle forms a species pair with the Eurasian white - tailed eagle . This species pair consists of a white - headed and a tan - headed species of roughly equal size; the white - tailed eagle also has overall somewhat paler brown body plumage . The two species fill the same ecological niche in their respective ranges . The pair diverged from other sea eagles at the beginning of the Early Miocene (c. 10 Ma BP) at the latest, but possibly as early as the Early / Middle Oligocene, 28 Ma BP, if the most ancient fossil record is correctly assigned to this genus . </P> <P> The bald eagle's natural range covers most of North America, including most of Canada, all of the continental United States, and northern Mexico . It is the only sea eagle endemic to North America . Occupying varied habitats from the bayous of Louisiana to the Sonoran Desert and the eastern deciduous forests of Quebec and New England, northern birds are migratory, while southern birds are resident, remaining on their breeding territory all year . At minimum population, in the 1950s, it was largely restricted to Alaska, the Aleutian Islands, northern and eastern Canada, and Florida . Today, they are much more common, and nest in every continental state and province in the United States and Canada . </P> <P> Bald eagles will also congregate in certain locations in winter . From November until February, one to two thousand birds winter in Squamish, British Columbia, about halfway between Vancouver and Whistler . The birds primarily gather along the Squamish and Cheakamus Rivers, attracted by the salmon spawning in the area . </P>

Where do bald eagles live in the us
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