The study, do animals laugh?

Even animals laugh, according to the study of primatologist Sasha Winkler and communication expert Greg Bryant, researcher at the University of California (USA).

The research, published in the Bioacoustics Journal, aimed to test the assumption that only great apes and rats are capable of laughing like humans.

By reviewing the literature produced on the subject, the two researchers found that there are many more "laughing animals".

In fact, the new list includes cows, dogs, seals, foxes and even birds.

The problem is hearing this laugh! While, for example, chimpanzees emit laughs very similar to humans, other animals are decidedly less audible, their laughter being ultrasonic vocalizations beyond the range of human hearing./ CNA

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