A Black-capped Chickadee, a year-round bird in Milwaukee, perches on a branch at the Schlitz Audubon Nature Center. With the sun shining a little more lately, you may have noticed more birds chirping ...

Birds use their calls to communicate, but some species are exceptionally loud, so much that their chirps, squawks, and calls can surprise or even overwhelm us. From colorful tropical parrots to ...

The incessant chirps and gregarious lifestyles of house sparrows qualify them as extremely talkative and social little birds to appreciate as we get out and enjoy the great outdoors.

It might sound like all chirps to you, but birds convey different messages, even across species. Language has long been considered the exclusive provenance of humans. But in the animal kingdom, birds, ...

A male and female Baltimore oriole feed their young while perched on their hanging nest, which is made of materials like thin twigs, plant cotton and bark strips. Spring is in the air — which means ...

Crickets chirp in the night as Gerardo Marrón calls to an elf owl on a Baja California Sur mountainside in late October. Marrón and a group of scientists from Mexico and the San Diego Natural History ...

The tremolo sounds like a quivering laugh that they use when they're being disturbed. The hoot, a softer bird call, is used ...