Most people are familiar with squirrels but may not be aware that members of the squirrel family (Sciuridae) can be divided into two basic groups: tree squirrels and ground squirrels. Tree squirrels are arboreal. Not only do they nest in trees, but they also often mate and forage in trees. Ground squirrels are primarily terrestrial. Though some may climb several feet up the trunk of a tree, ground squirrels nest in burrows beneath the soil surface and forage and mate on the ground or in their... więcej

Salem Press Encyclopedia of Science, 2022. 3p.