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 ...

Some of the largest species by weight include the Steller's sea eagle and harpy eagle ... recognized for their impressive size, sharp vision, and predatory skills. These birds are found across ...

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 ...

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.