Groundhogs : woodchucks, marmots, and whistle pigs /
by Adele D. Richardson.
- Mankato, Minn. : Bridgestone Books, c2003.
- 24 p. : col. ill. ; 22 cm.
- The wild world of animals. .
- Wild world of animals. .
Includes bibliographical references (p. 24) and index.
An introduction to the physical characteristics, behavior, habitat, and life cycle of groundhogs, rodents that may hibernate for six months during the winter.