They live in Australia and New Guinea. The echidnas are named after a monster in ancient Greek mythology.
Scientists have already established that human yawns can make dogs yawn. But that research has been taken a step further: A team from the University of Tokyo has found that dogs are significantly more likely to yawn when they see their owner yawn than they are when they see a stranger yawn. The results are believed to show that the emotional bond between people and their dogs is reciprocal.
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