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See a watchful mother prairie dog surrounded by her pups near Wyoming's Devils Tower National Monument.
Check out two friendly prairie dogs in Bryce Canyon, Utah, touching teeth in what may be a recognition ritual.
See young prairie dogs performing what scientists believe is a recognition ritual, touching noses and even occasionally locking teeth.
Take a photographic journey through Montana and enter for a chance to win a trip for two!
Eighteen percent of the world's population can't get safe drinking water. Test your water knowledge.
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