Crowded bird migration stopovers are not always the biggest bottlenecks, highlighting the role of habitat resources.

Shorebirds travel across continents every year and connect distant ecosystems through their journeys. A bird feeding in one ...

Van Doren plans to explore the mechanisms of vagrancy and how that process might feed into the evolutionary establishment of new migration routes. In the meantime, he’s urging other ornithologists to ...

The primary reason birds migrate is survival. Most species move to find food and safe places to raise their young. In temperate or polar regions, winters are harsh and food sources such as insects, ...

WASHINGTON (AP) — A bay-breasted warbler weighs about the same as four pennies, but twice a year makes an extraordinary journey. The tiny songbird flies nearly 4,000 miles (6,437 kilometers) between ...

"That you can see these kinds of shifts at a broad scale… it's a striking statement." Experts warn that geese getting lost on ...

The online tool maps key migration routes, stopover sites, and resting areas for 89 bird species in the Americas.

Longer days are the catalyst that brings about hormonal changes, which alter avian behavior and physiology that stir migratory birds into long-distance flights to northern nesting grounds.

Migrating American white pelicans in autumn, Cherry Creek State Park, suburban Denver, Colorado© Images by Dr. Alan Lipkin/Shutterstock.com Urban environments may appear dominated by buildings and ...

Advisors can access suggested itineraries and co-branding tools by working with suppliers partnering with Southern Africa's ...

This morning, the barn swallows that nested on our Texas property last year returned to their old nest. Same chirpy chit chat ...

On a 2009 hike in the Huachuca Mountains of southeastern Arizona, a group of birders heard an otherworldly, ethereal bird song floating, flute-like, through the canyon. The hikers identified the ...