The harpy is one of the largest species of eagle. As is often the case with birds of prey, females are larger than males. The birds can grow to 36 to 40 inches. Females weigh between 13 to 20 pounds.

Harpy eagles feed on a large variety of Neotropical mammals ranging from sloths to monkeys to coatis. While the Americas are rife with all sorts of fearsome birds of prey—the golden eagle, Cooper's ...

Bird-watching isn’t usually a dangerous game, even if it’s deep in the jungle of French Guiana. But when one woman strayed a little too far behind a tour group after spotting a large bird of prey, she ...

Monitoring, research, tourism, photography and environmental education are the tools to protect Brazil’s largest bird of prey, which currently has large and diverse populations only in the Amazon. The ...