Web Directory by Internet-Web-Directory.com

The oldest and largest organization in the New World devoted to the scientific study of birds. Includes the authoritative Check-List of North American Birds.

Society of professional and amateur ornithologists with a focus on the Western Hemisphere, particularly the Neotropics. Journal of Field Ornithology, banding supplies, organizational info, awards program, Neo-Ornithological literature citations, and guide to graduate schools.

A research laboratory in Panama City, Florida, USA, that specializes in using advanced radar technology to detect bird movements.

Nonprofit foundation dedicated to open space concerns that conducts research on birds. Includes results of some studies.

Professional organization whose goal is to advance the scientific study of birds and their habitats, and support their conservation. Includes full archive for journal The Condor.

Membership institute whose mission is to interpret and conserve the earth's biodiversity through research, education, and citizen science focused on birds.

Journal of Mexican ornithology, with full reprints in PDF format. In Spanish, English, and French.

Conducts research on changes in the abundance, distribution, and ecology of bird populations, mostly in North America.

Research on seabirds at the University of Barcelona. Includes publications and photo galleries.

Research, publications, and information about the institute.