“It shows that all of nature is in constant flux and changing on some scale. This one is a dramatic change. It’s the ...

Cornell's BirdCast is a user-friendly project that lets you watch migration as it happens. As surely as one season marches into the next, the natural world follows suit and prepares for the changes ...

Hundreds of millions of birds are taking to the skies each night, southward-bound in search of warmer weather — so many that you can spot them on weather radar. It’s data that researchers can use to ...

An anesthetized yellow-bellied sapsucker, a kind of migrating woodpecker, is taped to a table as staff veterinarian Darcy Stephenson prepares to take x-rays at the DuPage Wildlife Conservation Center, ...

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 ...

As the fall bird migration gets underway, bird watchers can track birds in flight across Michigan and the nation as they flock southward each night. The BirdCast Migration Dashboard, a live migration ...

Changes in the number, shape, efficiency and interconnectedness of organelles in the cells of flight muscles provide extra energy for birds’ continent-spanning feats. Weighing in at a single ounce, ...

Millions of birds migrate over areas like Duval County, Florida, each fall on their way south. Residents can attract migrating species like cedar waxwings and American robins by providing specific ...

To exploit a rich food resource that remains largely inaccessible to most predators, Europe’s largest bat captures, kills, and consumes nocturnally migrating birds in flight high above the ground, ...

As surely as one season marches into the next, the natural world follows suit and prepares for the changes ahead. When spring arrives, tree leaves unfurl, shoots emerge from the ground, and migrating ...