If you’re in grasslands or fields in Wyoming and you keep getting whistled at, you’re hearing an upland sandpiper! These birds use their distinctive song to defend their breeding territory and attract ...

In many parts of Africa, humans cooperate with a species of wax-eating bird called the greater honeyguide, Indicator indicator, which leads them to wild bees' nests with a chattering call. By using ...

Raccoons are capable of making all sorts of noises. These masked bandits can squeal, churr, bark, and the list goes on! Some of their sounds are tonal, like their famous nightly whistle. While other ...

ANCHORAGE, Alaska — A caterpillar that emits a squeaky whistle may be mimicking bird calls that warn of an immediate, deadly threat. If so, the walnut sphinx caterpillar (Amorpha juglandis) is the ...