Great Black Hawk vs Chaco Eagle

In short

The Great Black Hawk and Chaco Eagle are both large raptors of the genus Buteogallus, but they can be distinguished by their plumage and habitat preferences. The Great Black Hawk is mostly black with a white tail band, while the Chaco Eagle is gray with a black tail featuring a broad white band. Habitat can also help: the Great Black Hawk is often near water, whereas the Chaco Eagle prefers dry regions like the Chaco and pampas.

Identification tips

• Plumage: Look for the overall black coloration of the Great Black Hawk versus the gray of the Chaco Eagle.
• Tail: Note the white band on the tail of both species, but the Chaco Eagle's is broader.
• Habitat: Check the surroundings; water proximity suggests Great Black Hawk, while dry, open areas suggest Chaco Eagle.
• Behavior: Observe hunting behavior; ground foraging is typical of Great Black Hawk, while low-perch hunting is typical of Chaco Eagle.

Size

Both species are large raptors, but the Chaco Eagle is generally larger and more robust.

Plumage

The Great Black Hawk is predominantly black with a white tail band, whereas the Chaco Eagle is gray overall with a black tail and a single broad white band. The Chaco Eagle also has a small crest.

Behaviour

Great Black Hawks often forage on the ground or in shallow water, pursuing prey on foot or with short flights. Chaco Eagles hunt from low perches, particularly near dawn or dusk.

Habitat

Great Black Hawks are usually found near water, while Chaco Eagles inhabit dry regions like the Chaco, pampas, and cerrado.