Birding Club of Costa Rica
   Monthly outings to great birding locations around the country.
   http://crbirdingclub.tripod.com/index.html

Birds of Costa Rica
   Costa Rican birds listed by region and by family and a searcher for individual species. Also provides info on how common the species are in the various regions.
   http://www.cool.co.cr/toping/birds/index.html

Costa Rican Bird Photographs
   Image gallery by Ron Eggert.
   http://www.birdingafrica.net/page188.html

Finding Birds in Costa Rica
   Birding in Costa Rica with Richard Garrigues, one of Costa Rica's foremost birders; includes list of endemic bird species and a complete Costa Rica bird list.
   http://www.angelfire.com/bc/gonebirding/index.html

La Selva Birds
   Scientific and English common names of the 420+ species recorded from the La Selva Biological Station in Costa Rica.
   http://www.ots.ac.cr/en/laselva/species/birds.shtml

Palo Verde, Costa Rica Bird List
   English and Spanish common names, along with scientific names of species recorded from Palo Verde National Park in Costa Rica.
   http://www.ots.ac.cr/en/paloverde/species/birds.shtml

Sights and Sounds of Costa Rica
   Doug Von Gausig's birding trip to Costa Rica in June 1998, with sound clips of dozens of species.
   http://www.naturesongs.com/costa.html