CU Boulder researchers challenge long-held assumptions about the relationship between bird migration and the process by which new species arise Every year, billions of birds take to the skies, riding ...

Large numbers of birds are expected to fly over the D.C. area for their fall migration this week, and they are at risk from light pollution. But you can help by simply flipping some switches. Bird ...

Birds are on the move as their annual spring migration begins. Radar tracking allows you to follow along to see what birds are flying overhead as the birds move to their summer feeding grounds. "The ...

A stork flying through the sky on a cloudless day. Storks are one of the many species of birds that migrate during certain months of the year. Credit: Wikimedia Commons Welcome to the first column of ...

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 ...

An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

It’s a crisp autumn morning, and the forest holds a quiet promise of motion overhead. Travelers arrive at a hidden nature preserve and pause, noticing faint shadows moving through the air and hearing ...

Bird migration is ramping up in Michigan, indicating the changing seasons and giving birders a chance to see hundreds of species before winter. Millions of birds are winging their way south across the ...

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 ...

This article won runner-up in our recent writing contest, "What's Your Story?". Congratulations to the author and thanks to everyone who took the time to read the stories and vote. To study migration ...