The tail feathers have evolved primarily to help them steer and navigate around trees and vegetation. Both their eyesight and hearing makes up for their poor sense of smell. They also have excellent eyesight, which allows them to see their prey from long distances, and a very good sense or hearing. The top of the eagle’s head contains a rich crown of long black features that it can manually raise when threatened. Their legs are largely white in color with black stripes, while their beak, eyes, and talons are black or reddish in color. A broad black band across the upper breast separates the gray head from the white belly. Harpy eagles are easily recognized by their distinct colors, including their gray head, white underside, and slate-black back, wings, and breast. Their talons are also very long, 8.6 cm in males, and 12.3 cm in females, making them larger than a grizzly bear’s claws! These birds may measure from 86.5 to 107 cm (2 ft 10 in to 3 ft 6 in) in total length, with a wingspan of 176 to 224 cm (5 ft 9 in to 7 ft 4 in). Female harpy eagles typically weigh 6 to 9 kg (13 to 20 lb), while males may weigh 4 to 6 kg (8.8 to 13.2 lb), giving a 35% or higher difference in mean body mass. These birds are sexually dimorphic, with females being larger and heavier than males. The harpy eagle is ones of the largest species of eagle in the world, and the largest across its range.
They are also threatened by international trade, and by farmers who may shoot these birds as they perceive the eagles as livestock predators. The main reason for the decline in these birds is deforestation, which has meant it is nearly extirpated from much of Central America. The harpy eagle is listed as Vulnerable on the IUCN Red List, with the population declining. They also eat lizards, birds and small rodents. These birds are usually found in the tropical lowland rainforests in mid to upper levels of rainforest canopies, where they are able to find their prey - sloths and primates. The name harpyja and the word “harpy” in the common name harpy eagle both come from Ancient Greek harpyia (ἅρπυια). Along with the genus Harpia, the genus’ Harpyopsis and Morphnus form the subfamily Harpiinae. It is the only member of its genus and is most closely related to the crested eagle (Morphnus guianensis) and the New Guinea harpy eagle (Harpyopsis novaeguineae).
The harpy eagle belongs to the Accipitridae and subfamily Harpiinae, and the genus Harpia. It is one of the largest extant species of eagle in the world, and the largest and most powerful in its range, weighing between 4 to 9 kg (8.8 to 20 lb). The harpy eagle (Harpia harpyja), also known as the American harpy eagle or Brazilian harpy eagle, is a neotropical species of eagle, distributed throughout Central to South America.
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