National Audubon Society Field Guide to Birds for East Region North America. Audubon Field Guide the best selling photographic field guides have become the birding and bird watching bibles of more than four million wild bird enthusiasts. The Bird Watching Field Guide was introduced in 1977 and completely revised in 1994.
Virtually every bird found in North America is brought to life in a full-color photograph and with textual information on the bird's voice, nesting habits, habitat, range, and interesting behaviors. Accompanying range maps; overhead flight silhouettes; sections on bird-watching, accidental species, and endangered birds make these the most comprehensive field guides to birds available. Tremendous resource for bird watching!