Elephants communicate through a variety of calls, trumpets, and rumbles. But despite being some of the largest land animals on... more

Modern humans emerged into a world filled with and shaped by elephants. But for elephants, living with humans isn’t always... more

More than 60 million years ago, an asteroid hit the Earth, wiping out nearly all the dinosaurs. The only dinosaurs... more

Birds, frogs, dolphins, and humans—we’re all big talkers. Turtles, on the other hand, are considered to be silent. Or are... more

Living together in a group is a strategy many animals use to survive and thrive. And a big part of... more

A name is essential to your identity. It’s what people call you and what you respond to—it’s part of what... more

Listening and looking for loons.Threshold is nonprofit, listener-supported, and independently produced. You can support Threshold by donating today. To stay... more

We answer listener questions about the making of Season 5: Hark and of Threshold more broadly in this special AMA... more

Sometimes a place we consider quiet is just a place we haven’t taken the time to listen.Threshold is nonprofit, listener-supported,... more

If a being doesn’t have ears, can it hear? And if it doesn’t have a mouth, can it talk?  In... more