The research analyzed more than 892,000 hours of bird sounds recorded across California’s Sierra Nevada to test a ...

At the Hanko Bird Observatory in southern Finland, a reporter joins biologist Aki Aintila and volunteers as they track ...

Their principal prey, the wood rat, lives off oak trees. Listed as a threatened species in 1990, the northern spotted owl is related to two other subspecies: the California spotted owl ...

Some species have already evolved ways to survive ... In California, for example, spotted owls often skirt the edges of severely burned forests on the hunt for small mammals, which stand out ...

We survived the sawmill and the forest shutdown,” back in the 1990s after environmentalist lawsuits halted timber cutting all over the Southwest to protect the Mexican spotted owl.

Nature is a limited resource. This fact is often ignored. It became most evident during the four decades when West Berlin was completely isolated from its surroundings because of the Berlin Wall ...