Birds of Mexico and Central America George Mayfield Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Mexico & Central America, Nicaragua, Panama April 11, 2017
Wildlife Conservation Society Birds of Brazil: The Pantanal and Cerrado of Central Brazil (A Field Guide) George Mayfield Birds, Brazil, South America September 7, 2016
The Sibley Field Guide to Birds of Western North America: Second Edition George Mayfield Western North America March 4, 2016
National Geographic Pocket Guide to the Mammals of North America George Mayfield Mammals February 24, 2017
AZ: American Birding Association Field Guide to Birds of AZ: Arizona (American Birding Association State Field) George Mayfield Arizona December 6, 2000
A Field Guide to Western Reptiles and Amphibians (Peterson Field Guides) George Mayfield Reptiles & Amphibians, Reptiles & Amphibians: North America July 8, 2016
Raptors of Mexico and Central America George Mayfield Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Mexico & Central America, Nicaragua, Panama, Raptors April 11, 2017
Finding Australian Birds: A Field Guide to Birding Locations (Kindle Edition) George Mayfield Australia, Australia, New Zealand, South Pacific April 5, 2016
MA: American Birding Association Field Guide to Birds of Massachusetts George Mayfield Massachussets December 6, 2016
A Field Guide to the Birds of Mexico and Adjacent Areas: Belize, Guatemala, and El Salvador, Third Edition (Corrie Herring Hooks) George Mayfield Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Mexico & Central America, Nicaragua, Panama April 12, 2017
