From apes to birds, there are 65 animal species that “laugh” – Ars Technica

Enlarge/ The stuff we call “laughter” from hyenas? It’s not.
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Among humans, laughter can signify a lot of different things, from intimacy to discomfort. Among animals, however, laughter usually communicates something along the lines of this is playtimeIm not actually going for your throat.
According to new research from the University of California, Los Angeles, there are likely at least 65 different creatures, including humans, that make these vocalizations. Theyre…

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