Ranges of North American river otters

ID: 232 ~ Source: Image courtesy of The Natural History of Canadian Mammals. 2012. Donna Naughton. Toronto: University of Toronto Press. ISBN:9781442644830

This file appears in: Otters of the San Juan Islands

Map showing the current (brown) and historic (tan) ranges of the North American river otter.

This file appears in: Otters of the San Juan Islands

Otters of the San Juan Islands – Otters are a welcome sight around the San Juan Islands

By Whitney Wyngaert

Sea otters are the smallest of the marine mammals found on the West Coast, but don’t let their size fool you: some male sea otters can weigh up to 99 lbs. Sea otters rely on their thick fur to keep them warm while out to sea. With 150,000 strands of…