The Philippine eagle was known initially as the Philippine monkey-eating eagle because it was believed to feed on monkeys (the only two monkeys native to the Philippines are the Philippine long-tailed macaque and common long-tailed macaque, both subspecies of the long-tailed or crab-eating macaque) almost exclusively; ...

Does the Philippine eagle really eat monkeys?

Philippine Eagles do eat monkeys, but they also prey on a whole host of animals, both large and small. They have been known to hunt bats, civets, flying squirrels, and macaques. They also eat birds, including other birds of prey, snakes and lizards.

Why is monkey-eating eagle considered endangered and threatened?

The Swiss-based International Union for the Conservation of Nature lists the species as "critically endangered", due to hunting and the depletion of its habitat.