field marks of all North American species found north of Mexico /
text and maps by William Henry Burt ; ill. by Richard Philip Grossenheider ; sponsored by the National Audubon Society and National Wildlife Federation.
3d ed.
Boston :
Houghton Mifflin,
1976.
xxv, 289 pages, 28 unnumbered leaves of plates :
illustrations ;
19 cm.
The Peterson field guide series ;
5
Includes bibliographical references (pages 271-276) and index.
Descriptions of 380 species include size, witht, color, markings, number of teeth, habitat, habits and comparisons with similar species. Includes range maps as well as photos of skulls and drawings of animal tracks, dens, nests and burrows.