Bruce's green pigeon

Bruce's green pigeon (Treron waalia), also known as the yellow-bellied fruit pigeon or the yellow-bellied green pigeon, is a species of bird in the family Columbidae. It is found in Benin, Burkina Faso, Cameroon, Central African Republic, Chad, Democratic Republic of the Congo, Ivory Coast, Djibouti, Eritrea, Ethiopia, Gambia, Ghana, Guinea, Guinea-Bissau, Kenya, Mali, Mauritania, Niger, Nigeria, Oman, Saudi Arabia, Senegal, Somalia, Sudan, Togo, Uganda, and Yemen. It is often found on farmland and near rivers.^[2] It is a frugivore bird species that specialises on eating the fruits of a single species of fig tree, Ficus platyphylla.^[3] Unlike most birds, it does not have a uropygial gland.^[4]

Description

Despite its name, Bruce's green pigeon is mostly grey with a light yellow breast and olive green upper wings.

^ BirdLife International (2016). "Treron waalia". IUCN Red List of Threatened Species. 2016: e.T22691212A93306231. doi:10.2305/IUCN.UK.2016-3.RLTS.T22691212A93306231.en. Retrieved 12 November 2021.
^ Collina, Kambai; Ombugadu, Akwashiki; Tersoo, Apervega Paul; Janfa, Nanlir; Junior, Francis Mundi; Tumba, Yohanna Christopher; Maryam, Mato Sani (2021-12-04). "Bird Species Abundance and Diversity in Montane Forest Research Station, Jos, Plateau State". Nigerian Journal of Pure and Applied Sciences: 4014–4027. doi:10.48198/njpas/21.a07. ISSN 2756-4045.
^ Kissling, WD; Rahbek, C; Böhning-Gaese, K (2007). "Food plant diversity as broad-scale determinant of avian frugivore richness". Proc. Biol. Sci. 274 (1611): 799–808. doi:10.1098/rspb.2006.0311. PMC 2093978. PMID 17251107.
^ Chiale, María Cecilia; Carril, Julieta; Montalti, Diego; Barbeito, Claudio (2019-07-29). "The uropygial gland of the Eared Dove and its evolutionary history within the Columbiformes (Aves)". Journal of Ornithology. 160 (4): 1171–1181. doi:10.1007/s10336-019-01691-6. ISSN 2193-7192. S2CID 199372640.