Argentina
Alas Americanas - American Wings, Birds of Argentina, Birdwatching at Ribera Norte Reserve in Buenos Air, Chile - Argentina 2000 : Birding Trip Observation , Photos of Argentine Birds
Brazil
Atualidades Ornitológicas, Birding Amazonia, Birds of the Pantanal in Brazil, Brazilian Birds and Birding, Pantanal Bird Club, Songs of Brazilian Birds, Worldtwitch Brazil - Rare Birds of Brazil
Ecuador
Birding in Ecuador and Peru, Birds and Birding in Ecuador, Birds of Las Palmas Reserve, Ecuador, Birdwatching in Ecuador - A Personal Guide, Galapagos Birding, Books, and Conservation, Peter Jones - Ecuador 2001 Gallery, Tandayapa Valley, Ecuador - Reports and Bird Lists
Peru
Birding in Ecuador and Peru, Birding Peru, Birding Peru, Birding Peru Trip Planner, BirdingPeru, Birds of the Manu Biosphere Reserve, Fat Birder - Peru, Kolibri Expeditions, Peru Hotspots
Arthur Grosset's Birds
Some photos and notes on mainly South American birds.
Birding the Neotropics
Don Roberson's very detailed site, including 10 personal favorite species.
Neobird
Archives and subscription management of the e-mail group for bird observations in the neotropics.
Neotropical Bird Club
UK-based club for birds and birding in South America, Central America, and the Caribbean. Cotinga journal tables of contents and some feature articles, bulletin board, conservation awards, sales, news, and photos.
Neotropical Birds
Book chapter from "A Neotropical Companion: An Introduction to the Animals, Plants, and Ecosystems of the New World Tropics" by John Kricher.
South American Country Comparisons
A summary of families, species, endemics and specialties for 13 South American nations, plus the Falkland Islands.
WorldTwitch - Birds of the Neotropical Region
Bird reports and conservation notices from South America, Central America, and the Caribbean.