Field guide offers other names, physical description, similar species, habitat, range, source of name, activity, behavior, mating, diet, and sounds.

Contains labeled coloring page, relatives, hibernation, size and appearance, diet, predators, and classification details.

Reviews behavior, burrows and dens, habitat requirements, reproduction, social structure, interaction with humans and livestock, sounds, and characteristics.

Groundhog photographs, information, postcards, and screen saver.

Contains range map, photograph, relatives, lifestyle, birth season, behavior, diet, fast facts, and printable factsheet.

Virginia Game and Inland Fisheries explores characteristics, distribution, and foods. Includes map.

Lists geographic range, habitat, appearance, reproduction, lifespan, behavior, food habits, and conservation status.

Describes relatives, appearance, burrows, breeding, hibernation, behavior, and distribution. From Canadian Museum of Nature.