What Do Squirrel Nests Look Like & How Do They Build Them?

Where Do Squirrels Nest?

Tree squirrels and flying squirrels build their nests between the branches of trees, inside tree cavities, or in wooden boxes, attics, and roof eaves. Ground squirrels nest in the ground in burrows.

There are more than 200 types of squirrels, and many of them nest in different ways. These species are split into three types: flying, tree, and ground squirrels.

Squirrels of the same type generally nest in the same places.

Type of Squirrel	Nesting Place
Tree squirrels	Drays and dens in trees, tree cavities, attics, or roof eaves.
Flying squirrels	Drays and dens in trees, tree cavities, attics, or roof eaves.
Ground squirrels	Burrows in the ground.

Squirrel Nests in Trees

Squirrels are master nest builders. They weave twigs to create a supportive outer layer and then line the inside with leaves, moss, fur, and feathers.

The finished product is sturdy, warm, and comfortable.

It takes squirrels a few days of collecting supplies and building, but a well-built nest is worth the work. Their nests provide safety, as they are waterproof and last for months.[1]

Squirrel Nests in Tree Cavities

Tree squirrels and flying squirrels prefer nesting in tree cavities during the winter. These cavities can be natural or abandoned woodpecker holes. Squirrels fill the cavity, or den, with food and sometimes line them with insulation.

Squirrel Nests in Roof Eaves and Attics

Tree squirrels and flying squirrels are attracted to the shelter and warmth offered by attics and roof eaves, especially in the winter.

Attics and roof eaves make lovely dens for squirrels but are problematic for homeowners.

Nocturnal flying squirrels make noises in roof eaves and attics, keeping homeowners up at night. More worrying is the damage the squirrels can cause. Squirrels are known to rip into insulation and gnaw through electrical wires. This can cause electrical fires.[2]

Ground Squirrels Nest in Burrows

Ground squirrels, like thirteen-lined squirrels, and chipmunks nest in burrows. Underground burrows offer ground squirrels insulation, helping keep them warm in cooler climates.

Ground squirrels make nests within their burrows with grass.