There are many different kinds of squirrels, but most squirrels, such as the gray squirrel, red squirrel and fox squirrel, build their dens in the sides of trees while ground squirrels typically dig dens underground. A c... 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 »

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 »

The red squirrel has a reddish back and white belly and is about half the size of a gray squirrel. The body is 11 to 13 inches long, and the tail adds another 4 or 5 inches. The red squirrel lives in forests in the north... More »

The gray squirrel of North America often sleeps alone, unless the temperature drops very low. In this case, two squirrels may nest together. The only exceptions to this is a mother caring for her litter, which generally ... More »

The most humane way to remove an infestation of ground squirrels is by using live traps near the entrance of their nests to lure them out, then taking the traps to a further distance to release them in the wild. Fencing ... More »

According to the West Virginia Wildlife Magazine, squirrels make tree cavity dens and leaf nests which are built inside trees or up on branches located very high off the ground. Tree dens offer greater protection from th... More »