When Rachel Carson wrote the environmental classic "Silent Spring" in 1962, she warned that unchecked human impacts might create a silent future. Forty years later, biologists uncovered a striking ...

Birdsong is often one of the first sounds heard as the day begins. From gardens and parks to forests and countryside, many birds become noticeably more vocal around sunrise. This early burst of sound ...

Three species of the melodic African warbler bird refuse to get up early and sing their customary daybreak songs when the weather is cold. This new discovery was made recently by a team of soundscape ...