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Hyenas make faces at each other when they want to play-fight

Hyenas have interaction in loads of play-fighting, and so they have a technique to let fellow hyenas know when an assault is a part of a recreation: they bob their heads and clarify facial expressions.

Identified for his or her significantly vicious fights and a robust dominance order of their clans, hyenas additionally incessantly spend lengthy intervals of time play-fighting with one another. However they at all times ensure the message is evident that they don’t intend to be aggressive, particularly if the battle is uneven, says Elisabetta Palagi on the College of Pisa, Italy.

“It appears that evidently if I need to play arduous, I …

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