Where Do Squirrels Build Their Nests and Do Tree Squirrels Hibernate In Their Nests?
There are nearly three hundred species in the squirrel family, and some of them, called tree squirrels, are expert tree nest builders. Some other species dig burrows and build nests there. Tree squirrels belong to the genus Sciurus. Their nests are called dreys. The common gray squirrel, Sciurus carolinensis, is a tree squirrel.