Hoary Marmot

Hoary Marmot

Marmota caligata

Silhouette: T. Michael Keesey · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~20% · Possible
at Denali National Park
46 Verified sightings at Denali National Park From 2019 to 2026
79 Verified sightings across all 3 parks From 2019 to 2026
July Best month highest sighting rate
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Hoary Marmot

The hoary marmot (Marmota caligata) is a species of marmot that inhabits the mountains of northwest North America. Hoary marmots live near the tree line on slopes with grasses and forbs to eat and rocky areas for cover. It is the largest North American ground squirrel and is often nicknamed "the whistler" for its high-pitched warning issued to alert other members of the colony to possible danger. The animals are sometimes called "whistle pigs". Whistler, British Columbia, originally London Mountain because of its heavy fogs and rain, was renamed after these animals to help make it more marketable as a resort. The closest relatives of the species are the yellow-bellied, Olympic, and Vancouver Island marmots, although the exact relationships are unclear.

The hoary marmot is a large, bulky, ground squirrel, with short, heavy limbs, and a broad head. Adults range from 62 to 82 cm (24 to 32 in) in total length, including a 17 to 25 cm (6.7 to 9.8 in) tail. The species is sexually dimorphic, with males being significantly larger than females in most subspecies. Because of their long winter hibernation, during which they survive on fat reserves, the weight of the animals... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Kenai Fjords National Park 🇺🇸 United States
~40%
2 Denali National Park 🇺🇸 United States
~20%
3 Wrangell-St. Elias National Park 🇺🇸 United States
Insufficient data

Quick answers

What are the chances of seeing a Hoary Marmot in Denali National Park?

About 20% of wildlife watchers report a Hoary Marmot sighting in Denali National Park, based on 46 verified sightings from GBIF citizen-science data.

When is the best time to see Hoary Marmot in Denali National Park?

July has the highest sighting rate for Hoary Marmot in Denali National Park in our monthly data.

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