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 ...

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 ...

After more than four decades, it still sounds pretty. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Add us as a preferred source on Google Even ...

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. Credit: ...