The Amphibians and Reptiles of Costa Rica: A Herpetofauna between Two Continents, between Two Seas
The Birds of Costa Rica: A Field Guide [PB] [Garrigues]
A Field Guide to Mexican Birds: Mexico, Guatemala, Belize, El Salvador
Peterson, Roger Tory and Edward L. Chalif
The Birds of Colombia and Adjacent Areas of South and Central America
Meyer De Schauensee, R.
The Butterflies of Costa Rica and Their Natural History: Papilionidae, Pieridae, Nymphalidae
DeVries, Philip J.
Distributional Check-List of the Birds of Mexico Part 1
Friedmann, Herbert, Ludlow Griscom, and Robert T. Moore
Birds of Nicaragua: A Field Guide
Chavarria-Duriaux, Liliana, Robert Dean, and David C. Hille
Raptors of Mexico and Central America [Scratch & Dent]
Clark, William S.; N. John Schmitt
A Field Guide to the Birds of Mexico and Central America
DAVIS, L. Irby.
At a Bend in a Mexican River
SUTTON, George Miksch.
A Directory of Neotropical Wetlands
Scott, Derek A.; Carbonell, Montserrat
The Auk 82-3. Life History of the Long-tailed Silky Flycatcher with Notes on Related Species