Caribou digging in snow for winter grazing, Wrangell – St. Elias NP, Alaska.

Caribou digging for snow, or cratering, near the Nutzotin Mountains.

Caribou digging for snow, or cratering, near the Nutzotin Mountains.

Late March found this female, or cow, caribou, digging for lichens under the snow. This behavior is called cratering, and may well be the reason for the caribou bulls large and prominent “shovel” on the antlers.

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