The Hoary Marmot is the largest North American marmot, with a distinctive frosted-gray coat and black-and-white facial markings. It inhabits alpine terrain near timberline in Alaska and the Pacific Northwest. Hoary marmots are a critical food source for bears and eagles fattening up before winter, and their loud alarm whistles are an iconic sound of high mountain environments.
Best time to see a Hoary Marmot
The best time to see a Hoary Marmot is July–August, when about 71% of U.S. sightings happen, based on 4,509 research-grade iNaturalist observations.
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