Abstract
The two West African black-and-white colobus taxa,Colobus polykomos andC. vellerosus, are distinct species. A supposedly intermediate subspecies,C. polykomos dollmani, is actually a hybrid swarm, in whichC. vellerosus genes greatly predominate. We propose a hypothesis to explain this situation.
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Groves, C., Angst, R. & Westwood, C. The status ofColobus polykomos dollmani Schwarz. International Journal of Primatology 14, 573–586 (1993). https://doi.org/10.1007/BF02215448
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DOI: https://doi.org/10.1007/BF02215448