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Earliest record of beaver found in Oregon

The earliest record of beavers existing in North America has been found in Oregon.

An archaeologist discovered two fossil teeth on the boundary of the John Day Fossil Beds National Monument near Dayville that represent the earliest record of a beaver in North America.

The molar and premolar — back teeth — were below an ash layer from an ancient volcanic explosion that scientists say dates to about 7 million to 7.3 million years ago.

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Story: Richard Cockle, The Oregonian | Photo: sizedreamstime/Marianne Rouwendal-Tollenaar

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