Melanism and coat colour polymorphism in the Egyptian Wolf Canis lupaster Hemprich & Ehrenberg (Carnivora: Canidae) from Egypt
2018
Saleh, Mostafa | Younes, Mahmoud | Sarhan, Moustafa | Abdel-Hamid, Fouad
The Egyptian Wolf Canis lupaster was recently rediscovered as a distinct species on the basis of both morphologic and molecular genetic evidence. Phenotypical variability, including coat colour of this species across its vast, ecologically diverse range is yet to be investigated. In this paper, we present the first record of melanistic individuals of this species and compare their morphological characters and mitochondrial cytochrome b DNA sequences with those of typically coloured Canis lupaster and other closely related canids to verify their identity. We also study pelage polymorphism in a population of this species in the Egyptian Nile Valley and the Nile Delta and define its different colour variants. The typical colour, as well as the rare, very light and reddish coat colours are described. We discuss the possibility that the observed coat colour polymorphism is the result of hybridisation with the domestic dog and their potential adaptive significance.
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