Family Hawks, Eagles (Accipitridae)

Least Concern

White-rumped Hawk (Parabuteo leucorrhous)


French: Buse cul-blanc German: Weißbürzelbussard Spanish: Busardo culiblanco

Falco leucorrhous

Quoy and Gaimard

, 1824,

Rio de Janeiro, Brazil


Previously placed in genus Buteo. In order to avoid apparent paraphyly, recent genetic study proposed resurrection of genus Percnohierax for this species#R, but such treatment shown to be unnecessary#R. Monotypic.


Mountains of Venezuela and Colombia through Ecuador and Peru to Bolivia (La Paz, Cochabamba, Chuquisaca#R); Paraguay, S Brazil (but recorded N to Bahia) and N Argentina (Salta, Tucumán, Chaco and Misiones).

Descriptive notes

33–40 cm; male 290 g (n = 1), female 389 g (n = 1); wingspan 67–79 cm. Small buteonine; deep blackish overall, with conspicuous white... read more


Typically a high-pitched whistle, with some variations however. Either a short note with a faint... read more


Dense higher-elevation forest, forest edge and Chaco; tropical to subtropical zones, occasionally... read more

Food and feeding

Very little information available; known to take reptiles, frogs, insects and rats. Adult fed fledged juvenile "three small mouse-... read more


One nest active Feb–Mar in Colombia; in Ecuador, copulation observed in early Jun, and adult seen feeding juvenile in early Jan... read more


Thought to be mostly sedentary, but periodically wanders, suggesting species is somewhat nomadic. read more

Status and conservation

Not globally threatened (Least Concern). CITES II. Very little known, and status uncertain; generally rather local and nowhere common, but tolerates somewhat disturbed forest... read more

Recommended citation

Bierregaard, R.O., Jr, Boesman, P., de Juana, E. & Marks, J.S. (2020). White-rumped Hawk (Parabuteo leucorrhous). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 19 February 2020).