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eBird, a project developed by the Cornell Lab of Ornithology and the National Audubon Society, provides a simple way for you to keep track of the birds you see anywhere in North America.
The Great Backyard Bird CountThe Great Backyard Bird Count
The Great Backyard Bird Count provides us with a late winter snapshot of the distribution and abundance of birds across the United States and Canada.
Project FeederWatchProject FeederWatch
Project FeederWatch is a winter-long survey of birds that visit feeders in backyards, and at nature centers, community areas, and other locales in North America.
Birds in Forested LandscapesBirds in Forested Landscapes
Birds in Forested Landscapes links biologists and citizen scientists in an effort to access the habitat and conservation needs of forest-dwelling birds throughout North America.
The Birds of North America OnlineThe Birds of North America Online
The Birds of North America Online is the most comprehensive and up-to-date reference covering the life histories of North American birds accsesible to anyone with access to the Internet.
The Pennsylvania Breeding Bird AtlasThe Pennsylvania Breeding Bird Atlas
The Pennsylvania Breeding Bird Atlas is a collective effort of thousands of individuals over five seasons, and will result in the best and most extensive database for Pennsylvania's breeding birds ever assembled.
The Land Bird Monitoring ProgramThe Land Bird Monitoring Program
The Land Bird Monitoring Program is a region-wide landbird-monitoring program developed to better understand the habitat relationships of landbirds that breed in the northern Rocky Mountains.
Breeding Biology Research and Monitoring DatabaseBreeding Biology Research & Monitoring Database
The Breeding Biology Research and Monitoring Database (BBIRD) program is a national, cooperative program that uses standardized field methodologies for studies of nesting success and habitat requirements of breeding birds.