A Guide to the Birds of Panama: With Costa Rica, Nicaragua, and Honduras George Mayfield Costa Rica, Honduras, Mexico & Central America, Nicaragua, Panama March 4, 2016
The Stokes Field Guide to the Birds of North America George Mayfield Canada, US & Canada March 1, 2016
Audubon Bird Guide: North America (iOS & Android) George Mayfield Apps, Birding App February 10, 2017
Field Guide to Amphibians and Reptiles of the San Diego Region (California Natural History Guides) George Mayfield Reptiles & Amphibians, Reptiles & Amphibians: North America July 8, 2016
NJ: American Birding Association Field Guide to the Birds of New Jersey George Mayfield New Jersey December 6, 2016
Dragonflies and Damselflies of Georgia and the Southeast (Wormsloe Foundation Nature Book) George Mayfield Dragonflies & Damselflies: North America, Insects April 7, 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
Peterson Field Guide to Birds of Western North America, Fourth Edition (Peterson Field Guides George Mayfield Canada, United States, US & Canada, Western North America June 20, 2016
The Birds of East Africa: Kenya, Tanzania, Uganda, Rwanda, Burundi (Princeton Field Guides) George Mayfield Africa, Kenya, Tanzania September 6, 2016
NY: American Birding Association Field Guide to Birds of New York (American Birding Association State Field) George Mayfield New York 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
