Harpy eagles are among the heaviest raptors in the world, with larger females weighing up to an average of up to 20 pounds.

The birds were hanging upside down, talons locked together over a branch, glaring at each other. “They were hooked in the tree and neither of them were willing to let go,” said Jaime Longfellow.

Harpy eagles are considered to be one of the heaviest raptors in the world, with certain larger females weighing up to an ...

Bears are symbols of power and resilience. Birds are symbols of freedom and mystery. At first glance, these two creatures seem to have little to do with each other. One is huge, covered in fur ...

A study from the University of Alberta, which relied on images gathered from birders on the internet, examines the evolution of more than 1,000 bird species — namely their feet.

As for their talons, they can easily reach over two inches long. While many bear claws are larger, Eurasian Eagle Owl talons can exert a force between 200-300 pounds per square inch.

As for their talons, they can easily reach over two inches long. While many bear claws are larger, Eurasian Eagle Owl talons can exert a force between 200-300 pounds per square inch.