Family Hawks, Eagles (Accipitridae)

Critically Endangered

Ridgway's Hawk (Buteo ridgwayi)


French: Buse de Ridgway German: Haitibussard Spanish: Busardo de La Española

Rupornis ridgwayi


, 1883,

Santo Domingo


Probably closest to B. lineatus; these previously considered to form a clade with B. nitidus (including B. plagiatus) and Rupornis magnirostris, but latter found to be basal to all buteos#R#R#R, and this group may be more closely allied to Leucopternis than to Buteo. Monotypic.


Dominican Republic (confined to Los Haitises National Park, in NE; recently recorded in nearby Samaná Peninsula); formerly occurred in much of Hispaniola and several adjacent islets.

Descriptive notes

35–40 cm; wingspan 69–81 cm. Chestnut upperwing-coverts, different tail pattern and lack of rufous in primaries separate this species from Rupornis magnirostris... read more


Shrill, squealing call, similar to that of Rupornis magnirostris but higher-pitched, and... read more


Occurs mainly in variety of undisturbed forest types, including rainforest, subtropical dry and... read more

Food and feeding

Mostly vertebrates (more than similar Rupornis magnirostris) and some insects. Prey consists chiefly of reptiles and frogs;... read more


Nest-building in Jan–Mar, laying Feb–Apr. Nests 300–1000 m apart. Aerial display over nesting territory, pair-members... read more


Resident. Single record from island of Culebra, a little more than 25 km off E Puerto Rico.

Status and conservation

CRITICALLY ENDANGERED. CITES II. Has tiny global range within which extremely small and fragmented population continues to decline. Rare; confined to Hispaniola, where now... read more

Recommended citation

Bierregaard, R.O., Jr & Christie, D.A. (2020). Ridgway's Hawk (Buteo ridgwayi). 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).