With no specialized sound-producing organs found in these sharks, the researchers are confident that the clicks come from their strong, interlocking teeth snapping together. These platelike teeth, ...

In his home office in Durham, Duke neuroscientist Richard Mooney shows a series of images of a bird's brain on song. In one, ...

Birds change their songs to be heard over the sound of automobile traffic, and when that doesn't work, they get aggressive. A new study in the journal Animal Behavior found that Yellow Warblers, which ...

With piercing eyes and an air of silent command, this mysterious giant of the night weaves through the shadows, cloaked in ...

Male Galápagos yellow warblers appear to be shifting their behavior and adjusting their calls in response to the din of ...

In her watercolor triptych, Rosalie Haizlett celebrates the vibrant colors and details found in the feathers of common—and ...

Estimates of the bird population vary, but experts say between 300 to 500 species can be found at various times of the year ...

More than 170 species of North American wild birds were infected with bird flu. Here's what it means for your backyard bird ...

The red-winged blackbird, at home in cattail vegetation of Minnesota’s bountiful wetlands, lakes and rivers, is a welcome ...

Throughout the night, great potoos emit a loud, moaning growl that has earned the bird a mythical status, with some ...

Researchers have found evidence that a common North American spider species alters its webs to deal with urban noise ...