Something subtle has been happening in the skies above North America for decades. The V-formations of geese, the first ...

April has officially arrived, and in many regions, this month marks the peak time for spring bird migration. After a long and cold winter, many migratory birds are now embarking on their travels north ...

Every spring, Oregon birders break out their binoculars to catch glimpses of colorful migrating birds. But this year, something was off. The trees and skies were unusually empty. “They just weren’t ...

It’s happening! Spring migration is peaking as birds race from their southern wintering grounds to their breeding grounds in the north. And although it’s always a good time to watch birds, now is the ...

Cornell University's BirdCast uses radar to track the massive nocturnal spring migration of birds. You can use the online dashboard to see live migration maps and how many birds flew over your county.

The calendar may say spring is here, but what is nature telling us? Bright new leaves on trees and spring flowers are arriving in waves across the U.S., and the birds are right behind them with early ...