Female harpy eagles can weigh up to 20 pounds, while males are slightly smaller, ranging from 9 to 11 pounds. These majestic ...

Like most birds of prey, the female is larger than the male, sometimes weighing as much as 18 pounds. It is considered the most powerful bird of prey in the world. The harpy eagle is the largest ...

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.

It was not the first time the vet had risked his life for harpy eagles. An irate female bird left him with a seven-centimetre-long (2.7in) laceration and a perforated thorax when he tried to tag ...

Haast’s eagle, the largest eagle ever known, once ruled New Zealand's skies, preying on giant moa. This formidable predator, ...