Across the Northern Hemisphere, satellite tags and backyard observations are revealing a surprising pattern: some birds are not just drifting off course, they are consistently flying in the opposite ...

Why Do Birds Migrate North in Spring? Flying north might seem daunting, but birds do it for good reasons. Species that journey to the tropics for winter must compete with year-round tropical residents ...

Monarch butterflies are migrating south for the winter, and birds are also beginning their migration patterns. A study from Southern Illinois University found that light pollution can cause birds to ...

Fall migration is underway for the birds of North America and, during peak days, hundreds of millions of birds pass overhead under the cover of night. “The earliest migrants are on their way as early ...

Large clusters appearing on weather radars are likely massive flocks of migrating birds, not storms. A record-breaking 1.2 billion birds were estimated to be migrating in a single night during the ...

SEATTLE — Millions of birds continue to silently fly overhead, making their long seasonal journey south. The autumn bird migration season is in full swing, peaking between September 19 and October 11 ...

It’s migration time again, and the Bird Alliance of Oregon has issued a Lights Out alert for Saturday, Sept. 20, 2025. Why? Because 2.9 million birds are expected to be in the skies over Oregon during ...

Oct. 11 (UPI) --As millions of birds migrate south for the winter, many face dangerous obstacles on their journey, and experts say people can help them have a safe trip. This week saw the biggest ...

New research shows mountain birds move up and down slopes to save energy, find food, and avoid competition across seasons.

This week saw the biggest migration event ever recorded by the BirdCast, a bird study project at Cornell University in Ithaca, N,Y. -- 1.25 billion. Farther south, trackers at Virginia Tech University ...