French: Calao de Hartlaub German: Hartlaubtoko Spanish: Toco negro occidental
Other common names:
Black Dwarf-hornbill (when lumped with H. granti)
Toccus [sic] hartlaubi
S Sierra Leone and S Guinea E to S Cameroon and SW Central African Republic, and S to Gabon and Congo.
32 cm; male 96·6–135 g, female 83·4 g. Small, mostly black hornbill with broad white eyestripe, white tip to tail and dark bill. Male has casque reaching... read more
A series of 2–3 high-pitched whistling notes or single high piping notes, as well as a plaintive “... read more
Inhabits higher subcanopy areas of tall evergreen, semi-evergreen and gallery forest, especially... read more
Food and feeding
Mainly insects, especially larger beetles, locusts, mantids and grasshoppers, but also smaller ones such as hairy caterpillars; also large... read more
Little known. Lays aseasonally, in Feb, Jun or mainly Oct–Dec, in W Africa (vocal activity highest in Sept–Dec in Liberia); in... read more
Probably sedentary and territorial throughout year, with home range of one pair in Gabon estimated... read more
Status and conservation
Not globally threatened. Secretive and relatively quiet, but probably locally common. Range has unquestionably declined, at least locally, due to deforestation, e.g. in Ghana... read more
Only subscribers are able to see the bibliography. Login or Subscribe to get access to a lot of extra features!