Red-backed shrikes fly thousands of kilometers to reach Africa—and they do so with astonishing precision. Aided by new ...

For the first time, scientists documented direct evidence of a bat preying on a bird at high altitude. By Douglas Main During spring and fall migrations, billions of birds take to the night skies. The ...

Autumn bird migration typically peaks in the northern United States in late September and early October. On Wednesday night, around 9:40 p.m. EDT, scientists estimated that 1.25 billion birds were in ...