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Idaho Fish and Game

Aging your harvested elk

Learn how to properly age your harvested elk. Whether it's for chronic wasting disease sampling or personal curiosity, these images and descriptions help you determine the age of your animal.

Calves

Aging an elk calf

Elk calves have 4 cheek teeth showing no wear or staining. The third premolar (tooth 3) has 3 cusps.

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Elk calves have eight incisors that show no wear and will be replaced.

Yearlings

Aging an elk yearling

Yearling elk have five cheek teeth. The third premolar (tooth 3) has 3 cusps.

elk-yearling-aging-cwd2

Yearling elk will have or will be replacing the first (middle) set of incisors. Between the age of 1.5 and 2.5 years the other sets of incisors will be replaced.

Adults

Adult elk teeth

Adult elk (2.5 years or older) will have six cheek teeth. The third premolar (tooth 3) has been replaced by a tooth with 2 cusps.

adult-elk-aging-cwd2

Adult elk (older 2.5 years) will have replaced each set of incisors.