How hyenas decide whether or not to form a mob fighting lions

Cooperative behavior involves a trade-off between risks and rewards, and can provide benefits that are only available through group action. Individual spotted hyenas (Crocuta crocuta) can join a group to participate in stalking behavior (photo) that drives away lions (panthera lion) and could thus provide access to carcasses of animals killed by lions or hyenas.

Competing interests

The author declares no competing interests.


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