The Simple Pleasure of Squirrels
From the National Zoo comes this article about who squirrels are and how humans have interacted with them.

The Squirrel Almanac
A guide to North American tree squirrels, with pictures and descriptions. There is a lot of information on this website.

Andrew's Squirrel Encylopedia
A page dedicated to squirrels, with an abundance of biological information presented alphabetically, and photographs.

Southern Flying Squirrels
Description, habits, reproduction and wildlife management information for Glaucomys volans, which is native to the deciduous forests of eastern North America, with isolated populations in Mexico and as far south as Honduras.

Richardson's Ground Squirrels
A complete reference of the behavior, physiology, and natural history of Spermophilus richardsonii.

Ultimate Squirrel Page
Photos of squirrel species of the world.

Chipmunks
Brief information on Tamias minimus.

Black-tailed Prairie Dog - Cynomys ludovicianus
Description, photos, habitat description, and map of range in North Dakota. From Northern Prairie Wildlife Research Center.

Underdogs: Prairie Dogs at Home Underground
National Geographic presents this rich site full of sounds and pictures, where you can learn about prairie dogs and explore a typical burrow.

Delmarva Fox Squirrel Habitat Study
This site highlights student research and links involving the endangered Delmarva Fox Squirrel.

Prairie Dog Patch
A grass roots effort to preserve prairie dog habitat in Hastings, Nebraska.

International Marmot Network
Information on the animals of genus Marmota (marmots, woodchucks) worldwide.

The Thirteen-Lined Ground Squirrel: Controlling Damage
Describes the physical characteristics, habits and management of the thirteen-lined ground squirrel.

Mexican Prairie Dog (Cynomys mexicanus)
Brief narrative from the Animal Diversity Web.

Flying Squirrel Central
Links to fact sheets, kids pages, and images.

Squirrels of Silwood Park
An e-book on grey squirrel behaviour and ecology in woodlands in near Ascot, England.

Petaurista philippensis
Photos and information on the giant flying squirrel in Taiwan.

Arctic Ground Squirrels in Alaska
Images and information about Spermophilus parryii.