Adults weigh 454-681 g (1-1.5 lb). The deciduous forests of the eastern half of North America provide optimum habitat for the gray squirrel, but the range includes portions of the mixed forest in ...

In the United States, northern flying squirrels are endangered in Pennsylvania. Not only do they face habitat loss from development but there’s also been a decline in the fungi they eat due to ...

Researchers look at tree squirrel populations to measure just how well a forest ecosystem is faring. Because they depend on ...

In the Adirondacks, the red squirrel is associated with the coniferous and mixed forests at all elevations. Within these habitats, red squirrels build nests 3-18 m (10-60 ft) above the ground inside a ...

The Center for Biological Diversity and Maricopa Audubon sued the U.S. Fish and Wildlife Service today for failing to protect habitat essential to the survival and recovery of southeast Arizona’s ...

When seeking out good squirrel habitat, being able to recognize den-trees certainly helps. Squirrels have their notable leaf-nests, but I have found they usually prefer dens by exploiting holes in ...

“The Fish and Wildlife Service’s continued delay in providing Mount Graham red squirrels the protected habitat they need to survive is a recipe for extinction,” said Brian Segee, endangered species ...

UNC Greensboro researcher Bryan McLean helped identify a new species of squirrel. How he and collaborators found the Snake ...