Screaming or yelling is a natural reaction to a threat. One animal you’d likely never expect to hear this from, though, is a frog, which is more often associated with croaking. This is why rain frogs ...

The Namaqua Rain Frog (Breviceps namaquensis) is able to puff up its body to intimidate predators, but its call is less intimidating than adorable. In its inflated, agitated state, a passing dog might ...

This is Scientific American’s 60-Second Science. I’m Jeff DelViscio. Today: part two of our three-part sound escape series to the Amazon rain forest. In this episode, we’re going into the dark. Make ...