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News Release 12-040

Coyotes "Shrank," Wolves Did Not, After Last Ice Age and Megafaunal Extinctions

Once large and wolf-like, coyotes ultimately became much smaller

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Illustration showing a young modern coyote looking at a fossil coyote skull in California tar pit.

A young modern coyote looking at a fossil coyote skull in a southern California tar pit.

Credit: Doyle V. Trankina


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Photo showing a composite skeleton of a fossil coyote at the UC-Museum of Paleontology.

Fossil coyote, a composite skeleton at the UC-Museum of Paleontology.

Credit: F. Robin O'Keefe


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Photo of a coyote of today roaming the wintry wilderness.

A coyote of today, smaller than its ancestors, roams the wintry wilderness.

Credit: u.S. National Park Service


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Photo of a modern gray wolf.

Gray wolf of modern times; compared with the coyote, it's kept its size across the millennia.

Credit: U.S. National Park Service


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Photo showing a coyote on-the-hunt.

Coyote on-the-hunt: for smaller prey than its kin of past ages once stalked.

Credit: U.S. National Park Service


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Photo of a gray wolf.

Across thousands of years, the gray wolf has largely continued to hunt the same prey.

Credit: U.S. National Park Service


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