Wolfs have no echo

WHEN hunting in packs, wolves use different howls to communicate with one another. Because echoes can distort communication, a wolf's howl does not produce an echo, even in a valley surrounded by mountains.

WHEN hunting in packs, wolves use different howls to communicate with one another. Because echoes can distort communication, a wolf's howl does not produce an echo, even in a valley surrounded by mountains.

- drbenkim.com; wildernessclassroom.com; howstuffworks.com

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