Bats seen swooping over gardens and yards at night are responding directly to insect abundance below, signaling a healthy local ecosystem and providing substantial natural pest control. When these ...

As wind power grows around the world, so does the threat the turbines pose to wildlife. From simple fixes to high-tech solutions, new approaches can help. By Katarina Zimmer / Knowable Magazine ...

For the past 25 years, Professor of Engineering and Biology Sharon Swartz and Professor of Engineering Kenneth Breuer ’82 P’14 P’16 have been fascinated by animal flight. The two professors have ...

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, ...

Wing-beat-frequency data for a variety of flying animals versus the square-root of the animal mass divided by the wing/fin area. A single universal equation can closely approximate the frequency of ...