Wildlife of Ecuador: A Photographic Field Guide to Birds, Mammals, Reptiles, and Amphibians (Wild Guides)

Birds of Ecuador and the Galápagos Islands: A Photographic Guide (Helm Wildlife Guides)

Birds of Colombia: A Photographic Guide (Helm Wildlife Guides)

Birds of Sri Lanka: A Photographic Guide (Helm Wildlife Guides)

Birds of Bali, Sumatra and Java: A Photographic Guide (Helm Wildlife Guides)