_{This YouTube video was produced by The Cornell Lab of Ornithology.}

On May 9, 2026, Cornell Lab’s Team Sapsucker tackled an incredible challenge: a 24-hour birding marathon across two “sister landscapes” – the Appalachian Blue Ridge Mountains and Guatemala’s

_{This YouTube video was produced by The Cornell Lab of Ornithology.}

Bird migration isn’t just a continental phenomenon—it’s also super-local, happening all around you, and now’s the time to enjoy the spectacle! Some of these new faces are just

_{This YouTube video was produced by The Cornell Lab of Ornithology.}

Spring migration means the return of familiar summertime birds. But that’s not all—look closely and you’ll also find birds that are only passing through. They’ll stop for a