Spiral-bound in near fine condition. 2nd edition. Expanded and revised from the original 1971 Birder's Guide to the Rio Grande Valley of Texas by Jim Lane. Designed to assist birders in finding the most birds in the best birdwatching sites in the Valley. 8 chapters guide the birder through premier sites from Brownsville to El Paso and also through the Edwards Plateau and the Guadalupe Mountains. Accurate maps, annotated list of specialties of the region, and a combined seasonal/distributional bar graph and checklist round out the book's features.