Discover movements, range boundaries, and areas of abundance for over 600 North American birds. Follow bird populations on a weekly basis across the entire Western Hemisphere at an astounding level of detail. The eBird Science team linked bird sightings from hundreds of thousands of eBirders with habitat information from satellites to create valuable predictions of when and where birds occur. eBird data products are free to use for research, conservation, or to better understand the amazing lives of birds. For more information and to download these products for science, visit the links on the right.