Squirrel Species in the United States
Eastern U.S. nocturnal Southern Flying Squirrel. These little rodents have front-to-back paw flaps. These flaps enable rats "fly" through forests.
The Fox Squirrel is the largest squirrel in North America. 1-3 pounds, red, grey, brown, or black. Fox Squirrels reside in forested settings and eat fungi, fruit, seeds, & nuts.
Arctic Ground Squirrel
Arctic Alaska's squirrels. 7-8-month hibernation is rare. Supercool in hibernation. A supercooled animal shivers for 15 minutes to warm up.
Canada, the northern U.S., the Rocky and Appalachian Mountains, and Georgia have red squirrels. Pine nuts and seeds attract them to coniferous woodlands. Eat berries, fruit, and eggs.
California ground squirrel
California is home to many Beechey ground squirrels. They eat flowers, seeds, nuts, berries, and insects and like parks and fields.
Eastern Gray Squirrel
Eastern Gray Squirrels live in Canada and the U.S. They're gregarious and not territorial except guarding their nests. Grays will adopt red squirrel orphans if necessary.
Squirrels eat seeds and nuts. They warn other animals about predators. Douglas Winter squirrels are grey with a chestnut-colored belly.
In Colorado, New Mexico, Arizona, Utah, and parts of Wyoming, they eat Ponderosa Pine nuts. They eat nuts, bark, buds, and a tree-dwelling fungus.