* Seals: Certain species of seals, such as the California sea lion and the New Zealand fur seal, are known to produce vocalizations that closely resemble human laughter, typically during social interactions or play.
* Parakeets: Some parakeets have been observed making sounds that closely match human laughter, especially after being tickled or during other moments of enjoyment.
* Chimps: Chimpanzees, particularly infants, might produce a sound during play that has been compared to human laughter as it conveys positive engagement and pleasure.