High-resolution data, visualizations, and tools describing where bird populations occur and how they change through time—powered by eBird data and updated annually, providing you with the best available science.
eBird Science
eBird transforms the global birding community’s passion for birds into a powerful resource for research, conservation, and education.
Featured pages
eBird is a powerful resource for a wide range of scientific questions. Learn how to access, analyze, and cite eBird data and tools.
eBird plays an increasingly important role in science and conservation. Applications of eBird data range from research and monitoring to species management, habitat protection, and informing law and policy.
Featured project
ShorebirdViz
The Cornell Lab of Ornithology teamed up with multiple non-profit organizations, international shorebird collaboratives, biologists, and agencies to create ShorebirdViz—an interactive tool that combines observations of shorebirds in eBird with state-of-the art statistical models and machine learning to produce relative abundance estimates and estimates of population size across the Western Hemisphere.
Explore ShorebirdViz