Birds sing the most about an hour before dawn, when the air is at its stillest. Theoretically, this enables sounds to travel farther, making song up to 20 times more effective than if sung at midday.

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 ...

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 ...

African yellow warbler (Iduna natalensis) Dominic Sherony/Wikimedia Commons. Three species of the melodic African warbler bird refuse to get up early and sing their customary daybreak songs when the ...