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Moment of Um

Why do crickets chirp?

Moment of Um

American Public Media

Kids & Family, Education For Kids

4.41.5K Ratings

🗓️ 15 February 2024

⏱️ 4 minutes

🧾️ Download transcript

Summary

The sound of crickets on a warm summer evening is just so soothing, isn’t it? All those little insects in the grass, talking to each other about… well, we don’t really know! In fact, we don’t know why they chirp at all. We asked neurobiologist Jon Lambert to tell us what’s actually going on out there at night.


If you’ve got a question that just won’t let you rest, send it to us at BrainsOn.org/contact, and we’ll do our best to find the answer!

Transcript

Click on a timestamp to play from that location

0:00.0

From the brains behind Brains on, this is moment of um.

0:05.0

Answering those questions that make you go. Um, um, um, um, um, um, um, uh,

0:13.4

uh, uh, uh, uh, uh, uh, uh,

0:17.0

uh, uh, uh, uh, uh, uh, uh,

0:20.8

and uh, welcome to Welcome to your moment of home. I'm Mark Sanchez. Today's question is about this sound.

0:30.6

The word cricket comes from the French word cricket,

0:33.0

cricket, which was inspired by the sound.

0:37.0

Cricket, cricket, cricket, cricket,

0:39.0

kind of sounds like a cricket, right?

0:42.0

The same sound also inspired Danny in

0:44.5

Parker, Colorado to send us this cricket question.

0:47.2

Why do crickets chirp for primarily one reason, which is to communicate with each other.

0:56.3

But it's almost exclusively male crickets who do the chirping and female crickets who do the

1:01.4

listening. So if you're outside on a hot August night

1:05.0

and you hear a bunch of crickets,

1:06.4

you're probably hearing males singing

1:08.4

their most common kind of song, which is a calling song.

1:11.5

And males sing calling songs to attract females so that they can mate.

1:16.5

Imagine if you were a cricket trying to find a female cricket in a big field with a lot of grass

1:21.2

and stuff, it would be hard just by walking around and hoping you would bump into him.

1:25.0

And so males sing this song to sort of advertise both their location and how good of a mate they'd be to females.

1:33.0

So it's sort of like they're saying,

...

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