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Eagles mate for life, and an established pair will use the same nest for many years. Over time some nests become enormous - they can reach a diameter of 9 feet and weigh as much as 2 tons! The female lays 2 or 3 eggs and both parents share incubation and guard them diligently against predators (such as squirrels, gulls and ravens). While the chicks are small, the parents move about the nest with their talons balled up into fists to avoid harming them.


Female Bald Eagle captured on a snowy day, at the Canadian Raptor Conservancy. - Symbol by FForns on DeviantArt


This is a Bald Eagle. It is America's National bird. They are endangered mostly because of the Pesticide DDT. These birds used to eat the roots that were contaminated by the pesticide and their nesting and feeding sites were spreaded.


Bald Eagle Nest [Haliaeetus leucocephalus] - Bald Eagles build their nests in large trees near a river or coast. Nests are generally about 5 feet in diameter but can become much larger as Eagles reuse their nest each year. Nesting duties are shared by both the male and female with the incubation period lasting about 35 days.