Free online classified ads and job posting at Astanda.com
Ads:
http://www.americanbirding.org/
North Americas largest membership organization for active birders, with news, details on publications and programs, and birding resources.
http://www.bbc.co.uk/nature/animals/birds/
Articles, activities, and images of birds.
http://www.birdsaustralia.com.au/
Australian bird information including the Atlas of Australian Birds, recent sightings, threatened species, and membership information.
http://www.partnersinflight.org/
An association supported by federal, state, and regional governments dedicated to the preservation of bird species that summer in North America and winter in South America. Volunteer information and species data.
http://www.rspb.org.uk/
Promotes conservation of birds and other wildlife through the protection and re-creation of habitats. News, history, programmes, membership, articles, nature reserves, conservation issues, and education.
http://www2.ucsc.edu/scpbrg/
Raptor conservation group with summaries of research projects, education programs, and news articles.
http://www.r7.fws.gov/
Conservation of Stellers and Spectacled Eiders, Emperor Geese, and other wildlife.
http://www.wwt.org.uk/
Promotes the conservation of wetlands, focusing on rare wetland birds.
http://birding.about.com/
Articles and links.
http://www.abcbirds.org/
A not-for-profit dedicated to the conservation of wild birds and their habitats in the Americas.
http://www.atlantaperegrinefalcons.com/
Site dedicated to the Peregrine Falcons nesting in downtown Atlanta.
http://www.mumm.ac.be/~serge/birds/
Translation of 804 European bird species and subspecies names into eight languages.