Guide to Hawks
William S. Clark and Brian Wheeler.
A Field Guide to Hawks, North America. Boston: Houghton Mifflin, c1987. (The Peterson field guide series ; 35)
"Sponsored by the National Audubon Society and the National Wildlife Federation."
There are color illustrations and detailed descriptions of 39 species of hawks and other similar raptors, falcons, eagles and vultures in this guide. Photographer, author, and lecturer William S. Clark also organized bird watching trips around the world. Hawk specialist Brian K. Wheeler is also a noted wildlife artist, writer, and photographer. "Hawk's Topography" is illustrated here.