Crowned solitary eagle
The crowned solitary eagle (Buteogallus coronatus), typically known simply as the crowned eagle (leading to potential confusion with the African Stephanoaetus coronatus) is an endangered bird of prey from eastern and central South America. This is a large raptor with a length of 73–79 cm (29–31 in), a wingspan of 170–183 cm (67–72 in) and an average weight of 2.95 kg (6.5 lbs.) Adults are almost entirely gray with a large occipital crest and a short, black-and-white-banded tail. The juvenile is gray-brown on the back and pale with gray-brown streaks on the head and underside.
The crowned solitary eagle lives in Argentina, Brazil, Paraguay and Bolivia. It tends to live in open woodland and marshland, unlike its closest relative, the montane solitary eagle, which lives only in dense mountain forest. It is often noted for its sluggish movements during the day and is believed to be largely crepuscular in activity. It preys principally on mammals, including armadillos, skunks, weasels, rodents and monkeys. It also hunts reptiles (principally snakes), fish, domestic lambs and occasionally birds, including tinamou and poultry.
Harpyhaliaetus
Harpyhaliaetus is a former genus of eagles. Recent studies have shown that the solitary eagle is closely related to the black-hawks, in particular the savanna hawk (Buteogallus meridionalis) which is smaller and browner but otherwise very similar to Harpyhaliaetus. Therefore, this genus is now merged into that of the black-hawks.
It contains the following species:
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