Winter chipmunks

If you go chipmunking in the Sierra Nevada, better do so in summer. By late October the chipmunks change into winter coats and become even more difficult to tell apart than in summer. Here are two species (the long-eared and the yellow-pine, I believe) photographed last week in Desolation Wilderness. Find ten differences 🙂

Vladimir Dinets

long-eared_chipmunk-1 yellow-pine_chipmunk-1

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