Family Crows (Corvidae)

Least Concern

Thick-billed Raven (Corvus crassirostris)


Taxonomy

French: Corbeau corbivau German: Erzrabe Spanish: Cuervo picogordo
Taxonomy:

Corvus crassirostris

Rüppell

, 1836,

Halai, Eritrea

.

Sister to C. albicollis#R#R, the two sometimes placed in a separate genus, Corvultur. Monotypic.

Distribution:

Highlands of Eritrea (status uncertain)#R and Ethiopia; few records in adjacent SE Sudan and NW Somalia#R.

Descriptive notes

60–64 cm; one bird 1135 g. An unmistakable very large raven with relatively long, wedge-shaped tail, and disproportionately massive bill with strongly arching culmen,... read more

Voice

Most calls remarkably high-pitched for one of the world's biggest corvids. Typical call a... read more

Habitat

Frequents both open and forested mountainous country, especially with escarpments and sheer cliffs... read more

Food and feeding

Carnivorous, but some plant material taken. Diet includes locusts (Acrididae) and beetle larvae (Coleoptera), caterpillars, lizards, snakes... read more

Breeding

Eggs reported Dec–Apr in Ethiopia; occasionally double-brooded. Long-term pair-bond. Solitary breeder. Nest a very large platform of... read more

Movements

Primarily sedentary; wanderers recorded in E Sudan (Famaka and Galabit), in NW Somalia (Ban Seila... read more

Status and conservation

Not globally threatened. Locally common, perhaps even locally abundant. No population estimates. Widespread in W & SE Highlands of Ethiopia S to Sidamo, and in Eritrea in... read more

Recommended citation

Madge, S. (2017). Thick-billed Raven (Corvus crassirostris). 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 http://www.hbw.com/node/60811 on 20 September 2017).