The Birds Of Ecuador: Status, Distribution, And Taxonomy
Status, Distribution, and Taxonomy »

The Birds Of Ecuador
Birds of Ecuador »

The Birds Of Ecuador: 2-Volume Set: 2-Volume Set With Slip Case
The Birds of Ecuador »

A Guide to the Birds of Panama
This edition includes expanded information on the birds of countries bordering Panama, and material on 200 additional species. The volume also contains updat... »

Field Guide To The Birds Of South America
Field Guide to the Birds of South America: Passerines »

Field Guide To The Songbirds Of South America: The Passerines
Field Guide to the Songbirds of South America »

Field Guide to the Songbirds of South America
Field Guide to the Songbirds of South America »

Wildlife Conservation Society Birds Of Brazil
Wildlife Conservation Society Birds of Brazil »

The Oscine Passerines
The Oscine Passerines »

The Birds Of South America Ii
The Suboscine Passerines »