Ever heard of the harpy eagle, sometimes dubbed the “royal hawk”? This incredible bird has captured the hearts and ...

Image by Olivier Jaudoin/Harpy Eagle Project. Hawk monitoring in Brazil began in the 1980s, when researchers from the Biological Dynamics of Forest Fragments Project (PDBFF), a research center ...

Although commonly called an eagle from its large size, the harpy is in form, coloration, and habits a giant goshawk, allied to the tropico-politan group of hawk-eagles (Spizaëtus). Like these ...

Harpy Eagles: They can grow to 1.7 meters in length. The width of their wings can exceed 2.2 meters. Martial Eagle: It has a wingspan of up to 2.6 meters and a weight of about 6.5 kg.

Our mission is too important. We’re here to find an elusive harpy eagle nest, rumored to be about a mile inside this patch of Amazon rainforest in Mato Grosso, a state more than three times the ...