It had a large head, bill, legs, and talons. Its bill was up to 130 mm long, and its talons were up to 75 mm long ...

This enormous bird of prey has long been extinct for some 500 years and was undoubtedly the largest eagle to have ever lived. For a time, Haast's eagle, or Harpagornis moorei, ruled the skies ...

Bald eagles mate for life and build and maintain huge nests that they use year after year. The largest nest was 9 feet 6 inches wide and 20 feet deep! Located in St. Petersburg, Florida ...

Mostly found in the Russian Far East and northern Japan, the Steller’s sea eagle is listed as "vulnerable ... officials said the bird is one of the largest birds of prey on the planet, donning ...