Rufous-tailed Hawk, Buteo ventralis, medium-sized raptor.
Habitat, in open Nothofagus and Araucaria forested sectors: forest borders, parks and adjacent shrubby coastal areas. Also in secondary forest. From the coast to the Andes.
Endemic to Patagonia, rare to locally common resident along both slopes of the Andes.
Alone or in pairs. Perches on trees, posts and fences. Flight high and gliding, sometimes circling at considerable height. Wary, although sometimes allows approach.