Species MammalsRed Squirrel

Red Squirrel

Tamiasciurus hudsonicus

CommonMammal
Illustration of Red Squirrel (Tamiasciurus hudsonicus)

The Red Squirrel is an aggressive, vocal boreal squirrel that caches enormous middens of conifer cones—sometimes containing thousands of cones—to last through winter. It vigorously defends its territory against intruders with a chattering, scolding call that is a familiar sound in northern forests. Red squirrels are active year-round and can locate caches buried under several feet of snow.

Habitat
Coniferous and mixed boreal forests
Diet
Conifer seeds, mushrooms, berries, and bird eggs
How common
Common

Best time to see a Red Squirrel

The best time to see a Red Squirrel is March–August, when about 64% of U.S. sightings happen, based on 39,260 research-grade iNaturalist observations.

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