4 links
Neotropical Bird Club
neotropicalbirdclub.org
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…
South American Country Comparisons
camacdonald.com
A summary of families, species, endemics and specialties for 13 South American nations, plus the Falkland Islands.
Xeno Canto
xeno-canto.org
Comprehensive collection of bird songs from South and Central America. Includes a database of recordings, a forum, links, and FAQs.