French: Calao à casque noir German: Schwarzhelm-Hornvogel Spanish: Cálao casquinegro
Other common names:
Black-casqued Wattled Hornbill
Sierra Leone and SE Guinea E to S South Sudan and W Uganda, and S to NW Angola and S DRCongo; also Bioko I.
60–70 cm; male 1069–1600 g, female 907–1182 g. Large black hornbill with white only on tips of outer tail feathers; overlaps in W Africa with C. elata... read more
Most commonly heard vocalization is loud (audible up to 2 km distant), clamorous, braying of... read more
Inhabits lowland evergreen forest, mainly in primary tracts, but often extending into adjacent... read more
Food and feeding
About 90% of diet fruit, of at least 57 plant species (from genera such as Coelocaryon, Heisteria, Dacryodes,... read more
Little known. Probably aseasonal, lays about Dec–Feb in Liberia, in Jul–Sept in rest of W Africa, and in Apr, Jun–Jul and... read more
Mean home range 28·72 km2. Wanders extensively, over at least 100 km, in search of fruiting... read more
Status and conservation
Not globally threatened. Common at only few localities in W Africa (mainly in Liberia and Ivory Coast), and eliminated from many areas by habitat alteration and hunting (e.g... read more
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