At night, squirrels conclude their activities by retreating to nests, which are primarily built in trees. Like birds, most squirrels build nests to serve as homes, which they use for raising young and resting. Many const... More »

Squirrels live in winter burrows during the winter months, which can be found underground or in hollowed out trees. Unlike many rodents, squirrels do not hibernate during the winter but they keep their activity to a mini... More »

The majority of ground and tree squirrels are diurnal, meaning they are active during the day and sleep at night. Flying squirrels, however, tend to be nocturnal and are active at night. More »

Tree squirrels don't hibernate during the winter, but many species mate, hunker down in their winter nests and live off of food storage during the cold months. These winter nests are distinct from summer nests, and are l... More »

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Squirrels may wait out a heavy rainstorm in their nests, while using their tails to provide protection during light rain so that they may still forage for food or play. Squirrels make nests called dreys, built high up in... More »

Squirrels take refuge in dens and nests in the wintertime. Like humans and many other mammals, squirrels need protection from the harsh winds and elements of winter. Their wintertime shelters vary in size and composition... More »

Squirrels adapt to their habitat by using their thick fur to keep warm, hiding in their nests for warmth, storing food and using their intelligence. Squirrels can survive in many environments, though they do best in wood... More »