Smithsonian contributing writer Jim Robbins about what aeroecology is telling us about the ecosystem above.A transcript is ...

While some bugs have evolved the ability to detect these comparatively low-frequency ultrasound triangulations, birds have ...

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

Europe’s largest bat hunts and eats birds midair, finally solving a 25-year mystery about how these nocturnal predators ...

The recording gives it away. First, a sudden plunge in altitude, then distressed bird calls before a prolonged series of ...

Aarhus University in Denmark put trackers on greater noctule bats – the largest bats in Europe – and heard the distress calls ...

After nearly 25 years of investigation, scientists have solved the mystery. Europe’s largest bat not only eats small birds, it hunts and catches them more than a kilometer above the ground—and ...

Fighter-pilot dogfights no longer blaze across the night skies of Europe, but other fliers may still duel to the death up there. Researchers in Spain propose that bats hunt down migrating birds in ...

After nearly 25 years of research, the mystery has finally been solved: Europe's largest bat doesn't just eat small birds—it ...

The aerodynamic wake left behind a bird in flight is fundamentally different from the atmospheric disturbance produced by a bat, new lab tests suggest. In large part, the disparity stems from the ...

New Zealand has named the pekapeka-tou-roa, or long-tailed bat, as their Bird of the Year, despite the fact that bats are not birds. Some have criticized the call as a publicity stunt to recuperate ...

A rare kind of European bat regularly feasts on birds, surprised biologists have discovered. And they suspect that the large bats are capable of hunting down the birds in flight, something no ...