Silent wings, razor-sharp talons, and killer precision—these apex aerial predators rule the skies. Here are the world’s ...

If you liked this story, share it with other people. A recent study in the Journal of Raptor Research collected records of harpy eagle (Harpia harpyja) persecution across Central and South America.

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 ...

MATO GROSSO, BRAZIL — It was supposed to be a shortcut. Now, waist-high in latte brown water, I find myself stumbling over submerged logs, ducking under ant-teeming briars, and pushing through sticky ...

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 ...