A small contingent of chunky, dove-like birds cautiously patter around a clearing in a park in suburban Sydney. Suddenly, a feral cat pounces out from some nearby brush, narrowly missing a flock ...

The crested pigeon, found in Australia, has a modified wing feather that helps produce an alarm signal sound to warn other birds when there's trouble. Feathers are not just for flight. They keep birds ...

And let's take a moment to listen to the sounds of your backyard, or one like yours. OK, that's not actually a bird whistling reveille. But when we invited people to send us sounds of nature, we heard ...