Spotted hyenas giggling over an antelope spine. Courtesy BMC Ecology.
For spotted hyenas, a laugh can speak volumes about an individual.
Despite being portrayed as stupid scavengers who rely on the leftovers of lion prides, hyenas are highly intelligent and social predators. They communicate with each other through an array of whoops, yowls, grunts, screams, and giggles, and by using these calls an individual can call in help to run lions off a carcass or signal that it's time to beat a hasty retreat if the odds don't look as favorable. Yet there is more to a hyena call than just its…
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