growls

You talkin’ to me? You talkin’ to me?

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When Robert De Nero looked into the mirror and uttered those famous lines “You talkin’ to me? You talkin’ to me” in the film Taxi Driver, his menacing message was clear – back off or they’ll be trouble. New research suggests that growls emitted from dogs when guarding their food or a bone for example, is ranked as the most universally understood communication cue among dogs.

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