Family Hawks, Eagles (Accipitridae)


White-necked Hawk (Buteogallus lacernulatus)


French: Buse lacernulée German: Weißhalsbussard Spanish: Busardo cuelliblanco

Falco lacernulatus


, 1827,

Rio de Janeiro, Brazil


Affinities somewhat uncertain; new monotypic genus Amadonastur recently proposed for this species#R. Previously placed in Leucopternis, where was considered probably closest to L. melanops and L. kuhli of Amazonia; recent molecular studies indicate that present species is part of a clade which also contains B. urubitinga, B. solitarius and B. coronatus (last two previously placed in Harpyhaliaetus)#R#R. Monotypic.


E Brazil from Paraíba, Pernambuco#R, Alagoas and S Bahia to São Paulo, Paraná and, at least formerly, Santa Catarina.

Descriptive notes

43–48 cm; wingspan 91–101 cm. Has distinctive tail pattern. Adult has head and underparts white, upperparts dark; tail black with thick white subterminal band;... read more




Dense primary Atlantic Forest, from sea-level to at least 900 m, locally to 1300 m in interior of... read more

Food and feeding

Relatively few data available. Often considered apparently a broad generalist, as recorded prey include reptiles, e.g. snakes and a tegu... read more


No information available.


Considered to be sedentary, but records from within city limits of Belo Horizonte, where very... read more

Status and conservation

VULNERABLE. CITES II. Not well known. Thought to have small and fragmented population which likely to be in decline because of continued habitat loss and human persecution.... read more

Recommended citation

Bierregaard, R.O., Jr, Kirwan, G.M. & Christie, D.A. (2020). White-necked Hawk (Buteogallus lacernulatus). 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 24 February 2020).