Waterfowl: An Identification Guide to the Ducks, Geese, and Swans of the World George Mayfield Waterfowl September 8, 2016
The Birds of Costa Rica: A Field Guide (Zona Tropical Publications) George Mayfield Costa Rica, Mexico & Central America March 4, 2016
Field Guide to the Birds of Colombia George Mayfield Birds, Colombia, South America September 6, 2016
Shorebirds: An Identification Guide to the Waders of the World George Mayfield Birds, Shorebirds September 8, 2016
Peterson Field Guide to Reptiles and Amphibians of Eastern and Central North America, Fourth Edition (Peterson Field Guides) George Mayfield Reptiles & Amphibians, Reptiles & Amphibians: North America July 8, 2016
The Slater Field Guide to Australian Birds George Mayfield Australia, Australia, New Zealand, South Pacific March 22, 2017
CO: American Birding Association Field Guide to the Birds of Colorado George Mayfield State & Province Guides December 6, 2016
Birds of Southeast Asia George Mayfield Asia & Pacific, Bali, Borneo, Cambodia, China, Indian Subcontinent, Java, Laos, Malaysia, Myanmar, Peninsular Malaysia, Philippines, Singapore, Sumatra, Taiwan, Thailand, Vietnam February 25, 2016
A Birdwatchers’ Guide to Cuba, Jamaica, Hispaniola, Puerto Rico and the Caymans (Prion Birdwatchers’ Guide Series) George Mayfield Cuba February 24, 2017
Birding Northeast Ecuador: Birding Areas of Northeast Ecuador George Mayfield Birds, Ecuador, South America November 30, 2016
California Reptiles by Thomas Benner (iOS App) George Mayfield Apps, Herp App, Reptiles & Amphibians, Reptiles & Amphibians: North America July 8, 2016
