Amazilia Tours - All inclusive packages with accommodations and meals, specializing in birds of Central America and the Caribbean Islands. - http://www.amaziliatours.com/
Costa Rica Bird Expeditions - Naturalist guide Larry Marin Perrera offers personalized birdwatching tours with complete travel planning. - http://www.costaricabirdexpedition.com/
Costa Rica Birding Journeys - Birding guides and organized bird watching trips in Costa Rica. Site includes bird lists by area, monthly newsletter, and bird photos. - http://www.costaricabirdingjourneys.org/
Birdwatch Costa Rica - Customized birding and wildlife trips for individuals and small groups. - http://birdwatchcostarica.com/