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Status and Trends products for Wood Thrush, generated from eBird data. Photo © Margaret Viens.

eBird Science

eBird data are a powerful resource for a wide range of scientific questions. eBird Status and Trends highlights Cornell Lab analyses of continental bird abundances, range boundaries, habitats, and trends.

eBird Status and Trends

Explore bird status and trends with maps, habitat charts, weekly migration animations, and more–all generated from modeled eBird data.

eBird transforms a global birding community’s passion for birds into critical data for research, conservation, and education. By building tools that engage the global birding community, eBird gathers unprecedented volumes of information on where and when birds occur in the world. Half a billion bird observations have been contributed so far. eBird collects ‘complete checklist‘ data, providing year-round information on all bird species at high spatial and temporal resolutions. When combined and analyzed appropriately, these data enable next generation species distribution models that provide full life cycle information about birds at relatively fine scales across broad spatial and temporal extents. These model results inform novel conservation actions, from site-specific information about the occurrence and abundance of birds, to looking at patterns of species abundance across continent-spanning flyways.

eBird data contribute to hundreds of conservation decisions and peer-reviewed papers, thousands of student projects, and help inform research worldwide. Applications range from ecological and ornithological research, to conservation application, to advancing research in the fields of socioeconomics, artificial intelligence, and computer science. Thanks to the contributions of eBirders everywhere, this growing database has become an unparalleled information resource on birds. If you have used eBird data as a core component of an analysis or as a core data set upon which conservation actions were taken, let us know by email, using the subject title ‘eBird Data Use.’

Explore bird status and trends with maps, habitat charts, weekly migration animations, and more–all generated from modeled eBird data.
All eBird data are open-access and can be downloaded for free.
eBird data play an increasingly important and diverse role in the conservation domain. Conservation actions using eBird data range from research and monitoring to conservation planning, including tangible conservation actions such as site and habitat management, species management, habitat protection, and informing law and policy (Sullivan et al 2017).
The eBird Taxonomy is a hierarchical approach to creating a species list for data entry and listing purposes across the world.
In addition to eBird Regional Portals, we also work with groups around the world on specific applied projects.
eBird transforms a global birding community’s passion for birds into critical data for research, conservation, and education. By building tools that engage the global birding community, eBird gathers unprecedented volumes of information on where and when birds occur in the world.
You're always welcome to use eBird—as long as you properly cite it! Whether you're citing use of the core eBird dataset, or a specific graphic or image, this has the recommended format.
BirdVis allows you to visualize, explore, and interact with species abundance models and habitat associations. Comparison tools provide valuable information for land managers and conservationists.