A polydactylous right front foot was collected from a 5-year-old female barren-ground caribou (Rangifer tarandus groenlandicus) in northwestern Manitoba (59°21′N, 100°13′W). We determined by gross visual and radiographic examination that the foot had a complete extra digit in the position of the ancestral 1st digit. This is the first account of a polydactylous foot in the genus Rangifer.

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Author notes

*

Canadian Wildlife Service, Eastern Region, 2721 Highway 31, Ottawa, Ontario, Canada.

**

Canadian Wildlife Service, Pathology Section, 6 Beechwood Avenue, Ottawa, Ontario, Canada.

© Wildlife Disease Association 1971
1971