With their piercing looks and spine-tingling howls, wolves inspire both adoration and controversy around the world. Find out how many wolf species exist, the characteristics that make each wolf's howl unique, and how the wolf population in the continental United States nearly became extinct.
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National Geographic Wild is a place for all things animals and for animal-lovers alike. Take a journey through the animal kingdom with us and discover things you never knew before, or rediscover your favorite animals!

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Wolves 101 | Nat Geo Wild
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