Buteogallus coronatus
The Chaco Eagle, *Buteogallus coronatus*, is a majestic and highly distinctive raptor of South America's arid and semi-arid regions. Measuring 73-84 cm in length with an impressive wingspan of 170-185 cm, it boasts a dark gray body plumage, a striking crest of elongated feathers on its head, and long, bright yellow legs and cere. A prominent field mark is its white tail, tipped with a broad, dark black band, visible in flight and at rest. Taxonomically, it belongs to the Accipitridae family, ...
Found in arid and semi-arid scrublands, Chaco forests, savannas, and open woodlands, often near temporary or permanent water sources. Primarily occurs in lowlands, occasionally up to 1500 meters in elevation.
Primarily reptiles, especially snakes and lizards, but also small mammals (rodents, armadillos), and occasionally birds or amphibians. Forages mainly by terrestrial hunting.
The Chaco Eagle is a diurnal raptor, often observed perched conspicuously on tall trees or cacti, scanning its surroundings, or hunting actively on the ground. Its foraging strategy is notably terrestrial; it frequently walks or runs across the landscape, stalking prey, or making short flights be...
The Chaco Eagle has a fragmented distribution across south-central South America, primarily within the Gran Chaco biome. Its breeding range includes northern and central Argentina, western Paraguay, southeastern Bolivia, and extreme southwestern Brazil (Mato Grosso do Sul). It is a resident speci...
Endangered
- The Chaco Eagle is one of the heaviest raptors found in its South American range, often weighing over 3 kg. - Its distinctive crest of elongated feathers gives it a truly regal and unique appearance among birds of prey. - Unlike many large eagles that hunt from high perches, this species freque...