网站简介：Comprehensive guide to North American birds and bird watching from the Cornell Lab of Ornithology. Includes Bird Guide with identification, life history, sound and video recordings of each bird, with additional 'Birds of North America' material available to subscribers.
网站简介：Utilizing a real-time, online checklist program to maximize the utility and accessibility of the vast numbers of bird observations made each year by recreational and professional bird watchers. Developed by the Cornell Lab of Ornithology and the National Audubon Society. [English/French/Spanish]
网站简介：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.
网站简介：A membership institution interpreting and conserving the earth's biological diversity through research, education, and citizen science focused on birds.
网站简介：Forums for discussion of birds, birding, and bird photography worldwide. Includes photo gallery and trip reports.
网站简介：Find and identify any bird in North America with this parametric search engine.
网站简介：North America's largest membership organization for active birders, with news, details on publications and programs, and birding resources.
网站简介：North American hummingbirds, with photo album, migration maps, attracting and feeding tips, species accounts, and articles.
网站简介：Provides information and resources about the topic.
网站简介：Surveys and research investigating the populations, movements, and ecology of wild birds in the British Isles.
网站简介：Includes bird species accounts, hunting seasons, and game lands maps.
网站简介：Bird news, online magazine, birdwatchers county directory, photo gallery, species pages and bird merchandise.
网站简介：Recent messages from dozens of regional birding e-mail groups.
网站简介：Promotes the conservation of wetlands, focusing on rare wetland birds.
网站简介：The world's largest community website on birdsong, with over 37,000 recordings of 6,000+ species.
网站简介：A beautiful collection of over 40,000 photographs documenting more than 2700 Asian bird species by many different photographers. The Image Database of the Oriental Bird Club.
网站简介：Bluebird bios, nesting requirements, data collection, and nestbox cams.
网站简介：Resource for Binoculars and Spotting Scopes for Birding, Hunting, Nature, Sports, and Outdoor Recreation. See Complete Online Binocular Catalog and Buying Guide.
网站简介：Dedicated to the study and conservation of wild birds in Canada and elsewhere. Details on all BSC programs including the Canadian Migration Monitoring Network, Project FeederWatch, the Important Bird Areas Program, Long Point Bird Observatory, Canadian Lakes Loon Survey, Marsh Monitoring Program, Latin American Training Program, and Baillie Birdathon. French and English.
网站简介：Magazine for birdwatching, bird identification, birding, backyard bird feeding, bird travel, and birding products.
网站简介：Information about Eastern Bluebird conservation and education.
网站简介：A not-for-profit dedicated to the conservation of wild birds and their habitats throughout the Americas.
网站简介：World birding news, identification and bird finding articles, photographs, sketches, and trip reports.
网站简介：Large collection of bird pictures from over 1000 users, mostly from on Europe. In Dutch and English.
网站简介：Audio programming for public radio stations and online content to connect the ways and needs of birds to the lives of listeners, to educate and motivate people to care about the natural world. Each show is scheduled to coincide with the time of year when it’s possible to see or hear the featured bird.