A swarm of hundreds of thousands of bats roosts in the Jornada caves in New Mexico Laura Kloepper
A trained hawk carried sensors through a swarm of hundreds of thousands of bats, recording data that helped researchers figure out how the flying mammals manage to pick out their own high-pitched echoes from those of other chatty bats.
If you have ever carried on a conversation in a noisy crowd, you have solved what is known as the cocktail party problem, focusing on a single voice among many. This isn’t just a human issue. For bats, which hunt and navigate…