TY - BOOK ID - 139010023 TI - American Bird Conservancy's field to all the birds of North America : a revolutionary system based on feeding behaviors and field-recognizable features AU - Griggs, Jack L. AU - American Bird Conservancy PY - 1997 SN - 0062730282 9780062730282 PB - New York, N.Y. HarperPerennial DB - UniCat KW - Birds KW - Identification UR - https://www.unicat.be/uniCat?func=search&query=sysid:139010023 AB - A field guide to North American birds presents an identification method that uses panoramic illustrations, range maps, and an organization system based on habitat and characteristics. ER -