In this final episode of Hark, we think about listening with Indigenous storytellers on three different continents—and we have one more encounter with those magical Shark Bay dolphins.

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New technologies like artificial intelligence have helped to accelerate and open up the entire world of bioacoustics, launching us into a new era of communication with the more-than-human world. In this episode, we explore the promise and perils of using AI in bioacoustics.

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Humans have filled the world with so much noise that the only sounds many of us often hear  on a daily basis are  our own. But all this sound isn’t great for our planetmates and it isn’t great for us either. In this episode, we look at how human-made sound makes it hard for other creatures to listen and communicate.

Threshold is nonprofit, listener-supported, and independently produced. You can support Threshold by donating today. To stay connected, sign up for our newsletter.

Special thanks to:

Glacier Bay National Park & Preserve

Discovery of Sound in the Sea

Scripps Whale Acoustics Lab

Ships, Whales & Acoustics in Gitga’at Territory

These sounds were recorded in Gitga’at Territory and sourced from the Ships, Whales & Acoustics in Gitga'at Territory Project, a collaborative initiative of the Gitga’at Nation, North Coast Cetacean Society (BC Whales) and WWF-Canada.

Brian Miller, Australian Antarctic Division

NOAA

Lofoten-Vesterålen Ocean Observatory

Thank you to everyone who submitted frog sounds for this episode: Andrew Cronin, Aaron Jonah Lewis, Adrienne van Eeden-Wharton, Alan Burger, Barry Truax, Bess Samuel, Cliff Bahlinger, Craig Hemsath, Curt Newton, Dan Carreno, Diogo Matias, Dr. Paola Moscoso, Edward Ruchalski, Henry Koch, Indraneil Das/UNIMAS, Jenny Skopliak, Joel Watters, Judith Smit, Karthic SS, Klaartje Van Loy, Kriistina Ovaska, Lindsey Nielsen, Mara Altman, Nancy Pick, Natalie Smith, Pablo “Rana” Diserens, Paul Williams, Ren Fergusen, Tony Wobeter, Tracy Leung, Vincent Chanter, and group shoutout to everyone on the Acoustic Ecology listserve

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Homo sapiens joined the story of life on Earth just 300,00 years ago.  So when and how did we start making music and creating languages? In this episode, we explore these signature sounds and discover how they just might be rooted in listening.

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Elephants communicate through a variety of calls, trumpets, and rumbles. But despite being some of the largest land animals on Earth, elephants  can also be incredibly quiet. In this episode, we open our ears to  elephants and discover how listening may play a key role in saving them.

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Modern humans emerged into a world filled with and shaped by elephants. But for elephants, living with humans isn’t always easy. Elephants have survived by adapting to all the changes we’re making to their world. But there’s only so much they can do. In this episode, we look at how we can learn to live with—and listen to—elephants.

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Learn more:

Reteti: reteti.org

Longuro: reteti.org/blog/longuro-story

Shaba: amivitale.com/product/shaba

Sarara Foundation: sarara.co/foundation

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More than 60 million years ago, an asteroid hit the Earth, wiping out nearly all the dinosaurs. The only dinosaurs to live through this mass extinction were birds. In this episode, we look at how these ancient creatures learned to listen and communicate, and how listening to birds has changed us.

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Operation frog sound! Send us your frog sounds for an upcoming episode. We want you to go out, listen for frogs and toads, and record them. Just find someone croaking, and hit record on your phone. It doesn’t matter if there’s background noise. It doesn’t even matter if you’re not sure whether or not you’re hearing an amphibian—if you think you are, we would love to get a recording from you.

Please also say your name and where you are in the world, and then email the recording to us at [email protected]

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Support Threshold During Our Year-End Campaign

Threshold is listener-funded. This allows us to make the kind of show we want to make: science positive, wildly imaginative, and fiercely independent.

Birds, frogs, dolphins, and humans—we’re all big talkers. Turtles, on the other hand, are considered to be silent. Or are they? In this episode, we challenge what we know about some of our quieter planet mates. 

Threshold is nonprofit, listener-supported, and independently produced. You can support Threshold by donating today. To stay connected, sign up for our newsletter.

Operation frog sound! Send us your frog sounds for an upcoming episode. We want you to go out, listen for frogs and toads, and record them. Just find someone croaking, and hit record on your phone. It doesn’t matter if there’s background noise. It doesn’t even matter if you’re not sure whether or not you’re hearing an amphibian—if you think you are, we would love to get a recording from you.

Please also say your name and where you are in the world, and then email the recording to us at [email protected]

Episode links:

Gabriel Jorgewich-Cohen

Turtle Island

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Living together in a group is a strategy many animals use to survive and thrive. And a big part of what makes that living situation successful is listening. In this episode, we explore the collaborative world of the naked mole-rat. 

Threshold is nonprofit, listener-supported, and independently produced. You can support Threshold by donating today. To stay connected, sign up for our newsletter.

Operation frog sound! Send us your frog sounds for an upcoming episode. We want you to go out, listen for frogs and toads, and record them. Just find someone croaking, and hit record on your phone. It doesn’t matter if there’s background noise. It doesn’t even matter if you’re not sure whether or not you’re hearing an amphibian—if you think you are, we would love to get a recording from you.

Please also say your name and where you are in the world, and then email the recording to us at [email protected]

Mentioned in this episode:

Support Threshold During Our Year-End Campaign

Threshold is listener-funded. This allows us to make the kind of show we want to make: science positive, wildly imaginative, and fiercely independent.

A name is essential to your identity. It’s what people call you and what you respond to—it’s part of what you understand about yourself. But do other living things call each other by names? In this episode, we look at how names work in some non-human worlds. 

Threshold is nonprofit, listener-supported, and independently produced. You can support Threshold by donating today. To stay connected, sign up for our newsletter.

Mentioned in this episode:

Support Threshold During Our Year-End Campaign

Threshold is listener-funded. This allows us to make the kind of show we want to make: science positive, wildly imaginative, and fiercely independent.