Trained hawks carried sensors into colonies of hundreds of thousands of bats and recorded data that will help researchers understand how the flying mammals distinguish their own high-pitched echoes from those of other, more chattering bats.
If you’ve ever tried to carry on a conversation in a noisy crowd, you’ve solved what’s known as the cocktail party problem by focusing on one voice among many. This isn’t just a human problem…
Source: www.newscientist.com