The Harpy Eagle (Harpia harpyja) is considered one of the most powerful and largest raptors globally.The length of the rear talons is about 4 to 5 inches, just the same as a grizzly bear’s claws ...

The harpy eagle is a powerful bird of prey that can lift victims more than half its body weight, making it a champion weightlifter among birds Harpy eagles are one of the largest eagles in the world.

Twice the size of today’s heaviest eagle, the harpy eagle, Haast’s eagle was a formidable predator capable of taking down prey as large as the massive, flightless moa. Legends of its might ...

Now, a newly discovered pterosaur species is helping explain this leap from a smaller to larger wingspan size and other ...

The South Island of New Zealand was once home to the extinct Haast's eagle, also called Hieraaetus moorei. Weighing about ...