Weird Nature Humor In Animals: The Species That Can Laugh  

Eric Vega
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Anyone who has owned a pet understands that animals can have complex emotional lives. They feel sorrow, guilt, joy, and anger – and now scientists believe many animals even have a sense of humor. While researchers haven't really studied giggling animals in the past, new studies hope to answer the question of whether or not animals can laugh.

There are countless anecdotal stories of animals acting mischievously or appearing to double over with laughter, but is their data to back up these observations? There are many types of vocal responses that can be interpreted as animals laughing, though these phenomena are only observed in mammals and birds to date. The truth is, scientists don’t know much about the evolution of humor, but the little that is known suggests animals that laugh might be more common than anyone previously believed.

Time will tell whether laughter is the result of evolution or is an inherent part of all life, but the implications of animal giggles are potentially huge. Humans may not be the only creatures on earth that can appreciate a good chuckle.


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Dolphins are some of the most beloved animals on the planet, and it's not hard to see why. They're incredibly intelligent, and display emotional and intellectual skills that are unrivaled in the ocean. As for whether they use language, that's still up in the air; they certainly emit many different calls that can be interpreted as words or messages, but it's a difficult hypothesis to prove.

Marine researchers in Sweden have observed some of the best evidence to date of dolphin laughter, and they believe it has an important role in socialization. When engaging in play-fighting, dolphins emit a specific noise that seems to indicate their intentions as non-threatening. This only occurs during playful interactions and never during actual fights, leading researchers to believe that this sort of dolphin "chuckle" is meant to signal the roughhousing is all in good fun.

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The Kea Is The Only Bird With An Infectious Laugh


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The kea is a species of parrot native to New Zealand that holds an impressive distinction: it might be the only non-mammal that makes its fellows laugh.

Keas are a playful species, even when they are alone, and scientists discovered that one of their calls has a unique emotional effect on the birds. They played a recording of a kea "laughing," and saw that it caused other keas to respond and begin playing on their own or with nearby birds.

The fact that the warbling call evoked responses in solitary birds led researchers to rule out the possibility of it being an invitation to play. Their conclusion was that the sound put the birds in a good mood, impacting their emotions much like human laughter does.


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The great apes are humans' closest living relatives, and share a remarkable amount of similarities. Just like people chimpanzees and bonobos are ticklish. When tickled in places like the armpit, neck, or feet, these apes break out into fits of shallow panting that is believed to be their form of laughter.

Socialization and play are very important for these animals, especially bonobos, and laughter may help them discover their personal boundaries.

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Rats often get a bad reputation as pests, but science owes a lot to these little guys. They have been used in all sorts of experiments, including ones attempting to discover the origins of human laughter.

Studies indicate rats may emit a sort of primitive laughter when engaging in social play or being tickled. These ultrasonic vocalizations are inaudible to human ears, but the rats get the message loud and clear. The researchers involved in the study believe the behavior is so similar to human laughter that the two likely result from the same mechanisms in the brain. This suggests that laughter has been around since the earliest days of mammals.

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