Birds of Mexico: A Guide for Field Identification.

Blake, Emmet Reid

Birds of a Second-growth Rain Forest Area in Nicaragua

Howell, Thomas R.

Amphibians and Reptiles of Costa Rica: A Pocket Guide in English and Spanish / Anfibios y Reptiles

Chacon, Federico Munoz & Richard Dennis Johnston

A Revison of the Wood-Warbler Genus Basileuterus and Its Allies

Todd, W.E. Clyde

FAR Pocket Guide: Mammals of Costa Rica.

Reid, Fiona A.

Life Histories of Central American Birds: I-III. Complete Set.

SKUTCH, Alexander F.

A Field Guide to Birds of the USSR Including Eastern Europe and Central Asia

Flint, V.E.; Et al.

A Guide to the Frogs and Toads of Belize

Meyer, John R.; Carol Franeti Foster

An Illustrated Field Guide to the Birds of Colombia

Quinones, Fernando Ayerbe

Aves de las lagunas costeras de Oaxaca, Mexico: Guia fotografica de aves acuaticas y rapaces

Germain, Paul and Mateo Ruiz Bruce

The Ornithogeography of the Yucatan Peninsula

PAYNTER, Raymond A., Jr.

Additions To Records Of Birds Known From The Republic of Panama

Wetmore, Alexander