Cornell Lab of Ornithology leads a 35-year-old citizen-science project based on observations at backyard bird feeders.

Sign-ups are open now through the end of the 2023–24 FeederWatch season, which begins Nov. 1 and runs through April 30.. Search for a bird species. Use the search tool below to learn more about ...

The data has also reinforced a sobering truth: bird populations are declining. In September, FeederWatch reported its lowest abundance at sites in a decade for the 2023-24 season.