Family Hornbills (Bucerotidae)

Least Concern

Monteiro's Hornbill (Tockus monteiri)


French: Calao de Monteiro German: Monteirotoko Spanish: Toco angoleño

Toccus [sic] monteiri


, 1865,

Benguela, Angola


Considered closest to T. erythrorhynchus, but close also to T. leucomelas, T. flavirostris and T. deckeni (with T. jacksoni), on basis of similar calls and behaviour, and DNA studies#R. In the past, S populations occasionally separated as race marjoriae. Monotypic.


SW Angola (N to Catumbela) and NW & C Namibia.

Descriptive notes

50 cm; male 370 g, female 269–423 g. Small hornbill, dark grey, brown and white, with pale stripe behind eye, white-spotted wing-coverts, and outer tail feathers all... read more


A fast series of low-pitched, clucking notes, accelerating into bisyllabic ones “koh-koh-koh-koh-... read more


Dry scrub and open thornbush savanna, mainly among stony hills or on adjacent flats.

Food and feeding

Eats mainly insects, of wide variety, especially grasshoppers and large spiny crickets; also, some fruits, seeds, flowers and underground... read more


Lays Oct–Mar, c. 1 month after first good fall of rain, but mostly in Jan–Mar. Territorial in pairs. Determined in one study to... read more


Sedentary in some areas of higher rainfall, but rains generally unpredictable. During dry season,... read more

Status and conservation

Not globally threatened. Generally common and widespread within limited range. Occurs mainly in inhospitable areas of low human population density, including a few large... read more

Recommended citation

Kemp, A.C. & Boesman, P. (2019). Monteiro's Hornbill (Tockus monteiri). 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 21 July 2019).