To Find a Harpy**

There is a bird deep in the forests of South America with legs as wide as a human arm, talons longer than a grizzly bear's and a grip strong enough to crush bone with ease. The harpy is the largest eagle in the Americas and the most powerful bird of prey in the world. But this ghost of the canopy is rare - so rare that many adventurers, scientists and avid birders have spent their entire lives searching, to barely catch a single glimpse.