Discovering otters /
Martin Banks.
- New York : Bookwright Press, 1988.
- 46 p. : col. ill. ; 22 cm.
- Discovering nature .
Includes index.
Bibliography: p. 45.
An introduction to the physical characteristics, habits, and natural environment of both the sea and freshwater otter. Also discusses the different types found around the world and what is being done to assure their survival.