> They found such vocal play behavior documented in at least 65 species. That list includes a variety of primates, domestic cows and dogs, foxes, seals, and mongooses, as well as three bird species, including parakeets and Australian magpies.
Since this is so broadly spread among species I wonder if there are other forms of laughing that aren’t easily detected if you don’t know about it. Does some form of muscle spasms occur in all of these animals?
> They found such vocal play behavior documented in at least 65 species. That list includes a variety of primates, domestic cows and dogs, foxes, seals, and mongooses, as well as three bird species, including parakeets and Australian magpies.
Quote from the UCLA Newroom article referenced in the OpenCulture article, https://newsroom.ucla.edu/releases/animals-laugh-too-ucla-an...