The Vancouver island marmot (Marmota vancouverensis), is a species of marmot that naturally occurs only in the high mountains of Vancouver Island, in British Columbia, Canada. This particular marmot species is large compared to some other marmots, and most other rodents. Marmots as a group are the largest members of the Sciuridae family, with weights of adults varying from 3 to 7 kg depending on age and time of year.