Could wolves feel empathy? A recent study published in the journal PLOS ONE shows that just like humans and other types of dogs, these creatures are also susceptible to yawn contagion.
With yawning contagion, scientists from the University of Tokyo, Japan, actually believe that these animals may be capable of understanding others in the pack.
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15:28 Animal activists finally have something to applaud at Ringling Bros. circus: its closure20
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05:02 Ringling Bros. and Barnum & Bailey Circus to close after 146 years14