This is an I-Heart podcast.

There's a vile sickness in Abbas town.

You must excise it.

Dig into the deep earth and cut it out.

From IHeart podcasts and Grimm and Mild from Aaron Manky,

this is Havoc Town. A new fiction podcast set in the Bridgewater Audio Universe, starring Jules State and Ray Wise.

Listen to Havoc Town on the IHart Radio app, Apple Podcasts, or wherever you get your podcasts.

Welcome to Brainstuff, a production of IHeartRadio.

Hey, Brainstuff.

I'm Lauren Vogelbaum, and this is another classic episode from our archives.

This one digs into communication among animals, and how creatures from different species

or even different kingdoms can get their messages across.

Hey, Brain Stuff, Lauren Vogelbaum here. A good birdwatcher can identify the local species,

not just by sight, but also by sound. It's something the Audubon Society calls birding by ear.

With practice and a good field guide, avian enthusiasts learn to recognize

the trademark tweets, cheeps, and hoots that various birds emit. Mastering this skill requires

a basic understanding of how and why our feathered friends communicate. Often a given species

will use its own distinctive set of sounds, like mating calls and territorial threats

to get assorted points across. Take the rock pigeon.

These guys court each other with gentle coos. And to signal distress, they use a harsh grunt.

Okay. And to signal distress, they use a harsh grunt.

If an individual rock pigeon is to survive and procreate, it must be able to recognize both vocalizations. But do a pigeon's noises mean anything to passing crows or cardinals? Can birds

...