Deep in the rainforests of Central and South America lives one of the most formidable predators ever to take flight. The harpy eagle can weigh over 10 kilograms, fly at speeds near 80 km/h, and wield ...

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 ...