Bird populations are declining. This Michigan study might explain why.

Of nine different behavioral or fitness-related responses in 160 bird species examined, noise pollution had negative impacts ...

Global review finds human noise disrupts birds and cuts breeding success

Noise pollution is affecting bird behavior across the globe, disrupting everything from courtship songs to the ability to find food and avoid predators, a large-scale new analysis showed on Wednesday.

North American birds are dying off faster. It signals a human crisis, too.

The accelerating decline of birds is a bellwether of far deeper biodiversity crisis — one that threatens not only beloved species but the humans who live alongside them.
Nature

Whistle while you whinny: researchers identify two sounds straight from the horse’s mouth

The ability to make two distinct sounds at once is shared with human beat boxers and throat singers. The horse whinny, or neigh, has been a familiar sound at least since the animal was domesticated, ...