More than four million birds crossed Illinois Saturday night into Sunday morning and more are expected in the coming days as an annual spring migration of birds over the United States continues.

Time your next park adventure with nature’s greatest movements. From Yellowstone bison and Channel Islands whales to ...

A male blue-winged warbler. Long-distance bird migration is one of the natural world's most inspiring phenomena-but the story of how we know what we know about bird migration is almost as amazing as ...

Something subtle has been happening in the skies above North America for decades. The V-formations of geese, the first flutter of warblers through the backyard, the return of the robin to the front ...

Add Yahoo as a preferred source to see more of our stories on Google. In the northeastern U.S., where I roost, the migrants have been trickling in for a couple of months. The Tree Swallows arrived in ...

WEST MICHIGAN — As seasonable temperatures begin to fall, and the sunsets get earlier and earlier, the birds get set to move south for the Winter. The migration of millions of birds is already ...

Every spring and fall, in North America, weather radar captures something besides the actual weather. As large flocks of ...

Texas residents who look up at the night sky over the next few weeks might catch a glimpse of an avian superhighway. Migratory birds like whooping cranes and tiny songbirds are making their seasonal ...

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 ...

Spring migrations runs between March 1 and June 15. Artificial lights and glass windows pose significant threats to migrating birds. Turning off unnecessary lights and adding patterns to windows can ...

We’re only halfway through summer in the Northern Hemisphere, but for our feathered friends, fall migration is underway. The birds that journeyed north for the breeding season to take advantage of the ...

Millions of Michigan's birds are heading south for the winter and bird watchers can track their annual fall migration flights live. The BirdCast Migration Dashboard, a live migration map provided by ...