Diet Overlap

Onychognathus fulgidus (Chestnut-winged Starling)
Bycanistes fistulator (Piping Hornbill)

Common Diet

Elaeis guineensis (African oil palm)
Maesopsis eminii (umbrella-tree)

Common Habitat

Albertine Rift montane forests
Atlantic Equatorial coastal forests
Central Congolian lowland forests
Cross-Niger transition forests
Cross-Sanaga-Bioko coastal forests
Eastern Afromontane
Eastern Congolian swamp forests
Eastern Guinean forests
Guinean Forests of West Africa
Kahuzi-Biéga National Park
Kambui Hills Forest Reserve
Korup National Park
Marahoue National Park
Mont Nimba Strict Nature Reserve
Nigerian lowland forests
Northeastern Congolian lowland forests
Northwestern Congolian lowland forests
Nouabalï-Ndoki National Park
Parc National de la Lopé
Parc National de Tai
Reserve de Moukalaba-Dougoua (Gamba Complex)
Reserve des Monts Doudou (Gamba Complex)
Takamanda Forest Reserve
Western Congolian swamp forests
Western Guinean lowland forests

Attributes / relations provided by
♦ 1del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ 2Seed dispersal by Ceratogymna hornbills in the Dja Reserve, Cameroon, KENNETH D. WHITNEY, MARK K. FOGIEL, AARON M. LAMPERTI, KIMBERLY M. HOLBROOK, DONALD J. STAUFFER, BRITTA DENISE HARDESTY, V. THOMAS PARKER and THOMAS B. SMITH, Journal of Tropical Ecology (1998) 14:351–371