Wolves Vulnerable to Contagious Yawning

August 28, 2014 7:30 AM

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Yawning isn’t a lone wolf phenomenon. New research shows that when one wolf yawns, a packmate often does too.

Watching a pack of wolves at the Tama Zoological Park outside Tokyo last year, Japanese researchers found that the sight of a wolf yawning often triggered yawning in other wolves. And the more time the wolves spent together, the more likely it was to happen.

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