Yellow-pine Chipmunks Study Skins

Study skins of a sub-species of Yellow-pine Chipmunks (Tamias amoenus affinis) showing bottom (ventral) and top (dorsal) view. The affinis subspecies is found across the eastern slopes of the Cascade range in Washington and BC, and the dry interior of the Okanagan and Similkameen valleys, north to Sorenson Lake.