For two summers in a rugged corner of Idaho’s Pioneer Mountains, the roar of rushing white water filled the air. But where the loud sounds prevailed, only gentle streams flowed by. These phantom ...

In the past decade, some bat species have been added to the ranks of “singing” animals, with complex, mostly ultrasonic vocalizations that, when slowed down, rival the tunes of some songbirds. Like ...

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, ...

"Experimental broadcast of whitewater river noise drives bats and birds away." ScienceDaily. www.sciencedaily.com / releases / 2021 / 05 / 210524091954.htm (accessed April 5, 2026).