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

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

The bat—a greater noctule (Nyctalus lasiopterus)—was equipped with a high-tech tag recording its behavior. “There was this ...

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 ...

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

For nearly 25 years, scientists have puzzled over how Europe’s largest bat, the greater noctule, manages to eat small birds.