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Howl: Decoding Wolves & Talking to Dogs

Jeffrey T Reed, PhD

A rare hybrid of hunter-gatherer, linguist, and AI tactician, Jeff tracks meaning through howls in the wild and code in the cloud. He lives where stories still have teeth—near Yellowstone National Park. He questions everything, from ancient alphabets to modern AI, and does it with rigor sharpened by a PhD, three decades in tech, and a lifetime of wilderness grit. He doesn’t just watch wolves — he decodes them.

He founded the Cry Wolf Project the largest bioacoustics study of wolves in the world. To support this mission, he co-founded Grizzly Systems—the iPhone of camera traps. But his proudest work lies in co-founding the Wild Livelihoods Business Coalition, a movement redefining how we protect wild places—not just for today, but for generations to come.

Forthcoming Book 2026

Howl. Some hate it. Some love it. But nearly all know it.

 

The wolf’s howl is one of the most iconic sounds in nature. Our ancestors could imitate it. And during the Covid lockdown, modern souls echoed this primal sound from their porches, signaling to the world and themselves that they were still here…still enduring.

Excerpt from Audio Book

Howl: The Secret Language of Wolves reveals how wolves (Canis lupus) communicate with sound. It is about their—not our—language, much of which has been secret to us. We all know the howl, and many can imitate it. But wolves have over 20 different vocalizations, including barks, whimpers, whines, moans, yelps, growls, snarls, yips, yaps, woas, and even teeth clacking. Using modern technology leveraging artificial intelligence, observations in the wild, and over 100,000 hours of audio recordings from the Greater Yellowstone ecosystem, this book explores the mysteries of wolf communication, including insights on how to understand your own dog's communication.

Understanding Spectrograms

A spectrogram and the audio of wolf 907F howling

How to Interpret a Spectrogram

Dictionary of Wolf Sounds

907F Spectrogram.png
907F Howling

Sounds and Spectrograms from the Book

Howl: Decoding the Language of Wolves

Howl: Decoding the Language of Wolves
49 Variations of Wolf Howls

49 Variations of Wolf Howls

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Excerpt from the Audio Book

Excerpt from the Audio Book

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Deleted video

Deleted video

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How to Interpret a Spectrogram

How to Interpret a Spectrogram

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Dictionary of Wolf Sounds

Dictionary of Wolf Sounds

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Four Different Wolf Pack Chorus Howls

Four Different Wolf Pack Chorus Howls

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Rescue Creek Wolf Pups Chorus Howling with Mom (1490F)

Rescue Creek Wolf Pups Chorus Howling with Mom (1490F)

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Wolf Pups Howling at Adult Packmates

Wolf Pups Howling at Adult Packmates

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Stacato howl by 1490F (Rescue Creek pack) with her pups in response to a distant chorus howl.

Stacato howl by 1490F (Rescue Creek pack) with her pups in response to a distant chorus howl.

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Raven Kaw

Raven Kaw

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Raven "Food" Call

Raven "Food" Call

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Agitation Howl directed at a Capture Chopper

Agitation Howl directed at a Capture Chopper

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Sounds at Slough Creek Bison Carcass

Sounds at Slough Creek Bison Carcass

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Prospect Peak pack wolf howling

Prospect Peak pack wolf howling

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Wolf 302M

Wolf 302M

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Long Duration Howl

Long Duration Howl

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Short Duration Wolf Howl

Short Duration Wolf Howl

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Wolf 1479F Alarm Woof-Howling

Wolf 1479F Alarm Woof-Howling

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Downdrifting in a wolf howl sequence

Downdrifting in a wolf howl sequence

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Two Types of Wolf Howls

Two Types of Wolf Howls

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Modulated howl followed by two flatter howls...a common pattern in wolf vocalizations.

Modulated howl followed by two flatter howls...a common pattern in wolf vocalizations.

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Mating Howl?

Mating Howl?

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1996 Recording of Yellowstone Wolves Howling

1996 Recording of Yellowstone Wolves Howling

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Six step howl

Six step howl

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Multiple step down howl

Multiple step down howl

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Falling then rising howl

Falling then rising howl

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Two step howl

Two step howl

00:09
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