Harpy eagles are silent hunters so they rarely vocalize, choosing instead to ambush their prey. ... Baby harpies are born all white and gain their dark coloring as they mature.

Zoo Miami welcomes exotic baby birds. A cinereous vulture and a harpy eagle are among the rare hatchlings from Asia, Africa, and tropical regions of the Americas.

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 ...

Harpy eagles are notoriously slow breeders, raising only one chick every few years. The couple's behavior is "so calm... it generates a lot of hope that they will have a baby," said Escobar, 26.