South America

Birds of South America: Passerines (Princeton Illustrated Checklists) – Princeton University Press. View on Amazon
Birds of Venezuela (Helm Field Guides) – Christopher Helm. View on Amazon
A Field Guide to the Birds of Brazil – Oxford University Press USA. View on Amazon
The Birds of Costa Rica: A Field Guide (Zona Tropical Publications) – The Birds of Costa Rica A Field Guide Zona Tropical Publications. View on Amazon