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Wild chimp seen masturbating with man-made object for first time


A chimpanzee has been caught masturbating with a plastic bottle, as scientists say it is the first time a wild chimp has used a man-made object as a sex toy. 

Araali, a male chimpanzee living in Bulindi in western Uganda, was spotted placing his penis into a discarded plastic bottle and ‘thrusting’ into it in August 2018 – with the incident documented in a new research paper.

While captive chimps commonly masturbate – often due to stress or a lack of mates – researchers believe Araali may have derived ‘pleasure’ from his interaction with the bottle, or else was performing the activity for ‘fun’.

A male chimpanzee called Araali was seen masturbating with a plastic bottle in Uganda, which scientists believe is the first time a wild chimp has used a man-made object as a sex toy

A male chimpanzee called Araali was seen masturbating with a plastic bottle in Uganda, which scientists believe is the first time a wild chimp has used a man-made object as a sex toy

Researchers Matthew McLennan and  Kim van Dijk, who were working with Bulindi Chimpanzees, posted the paper on Twitter earlier this month while quipping that ‘this is a paper I never thought we’d write’.

In it, they say they were observing a troop of 19 chimpanzees including three adult males, three subadult males, five adult females, one subadult female, and seven ‘immature’ chimps in 2018 when the ‘novel behaviour’ occurred.

On the day in question – August 13 – they had followed 11 of the chimps, including the alpha male and three adult females, to a shady thicket where they often went to rest.

Researchers said they heard a chimp playing with a plastic bottle before they moved in for a closer look and spotted Araali – a subadult male – ‘masturbating’ with it.

‘For 25 seconds he made pelvic thrusting movements into the bottle, which he had positioned flat on the ground in front of him,’ the paper says.

‘At times he showed a relaxed open-mouth expression or a “play face.”‘

At one point, they write, his penis fell out of the bottle so he repositioned it and ‘reinserted his penis.’ 

Araali, a male chimpanzee living in Bulindi in western Uganda, was spotted placing his penis into a discarded plastic bottle and 'thrusting' into it in August 2018 - with the incident documented in a new research paper

Araali, a male chimpanzee living in Bulindi in western Uganda, was spotted placing his penis into a discarded plastic bottle and ‘thrusting’ into it in August 2018 – with the incident documented in a new research paper

‘For the remaining 8 seconds of the recording, Araali sat with a play face, apparently with his penis still inside the bottle.’

When Araali finally lost interest in the bottle – apparently without ejaculating into it – some of the younger chimps began playing with it.

After 25 minutes, the researchers themselves lost interest and moved away from the troop – though returned the following evening to inspect the bottle.

They believe it was a herbicide bottle which had likely been discarded by a local farmer after it was used to spray crops.

While masturbation is rarer in wild chimps than in captive ones, researchers say it has been observed in males in the form of ‘fumbling’ with their genitals. 

Researchers say the bottle (pictured) is used to contain herbicide and was likely thrown away by a farmer

Researchers say the bottle (pictured) is used to contain herbicide and was likely thrown away by a farmer

Males have also used natural objects such as fruit or smooth stones to stimulate themselves – but this is the first time one has been seen using a man-made object. 

The scientists – from Oxford Brookes University, University of Exeter, and Utrecht University – say this is likely because the chimps they were studying live in close proximity to humans, and have some familiarity with man-made objects.

While most apes are either indifferent to or afraid of man-made objects, this tribe’s familiarity with them means they ‘elicit interest’. 

Masturbation in chimps is sometimes thought to help with competition in a tribe with several males by clearing out old or damaged sperm and improving a male’s chances of impregnating a female, the researchers add.

Another theory is that it may help relieve sexual urges in subordinate males who have little access to females in the tribe.

But they say neither theory quite fits Araali’s behaviour, which most-likely results from ‘his motivation to inspect and play with a novel human object.’

 ‘The physical properties of the open bottle presumably elicited Araali’s autoerotic response, suggesting he recognized its suitability for that purpose,’ they add.

‘Considering he exhibited a play face while “copulating” with the bottle indicates his masturbatory behaviour was “pleasurable” or “fun.”‘

Justifying their subject matter, the researchers conclude: ‘This unusual observation raises questions about the function of masturbation in male chimpanzees.

‘It contributes to an understanding of the range in behavioural responses of wild apes to novel objects.’

Gorillas in the tryst! Giant male primate shocks families at Bronx Zoo by performing sex act on fellow ape

A frisky gorilla at the Bronx Zoo gave onlookers an X-rated show when he performed oral sex on his excited friend in front of a group of zoo-goers. 

A father at the zoo with his wife, four-year-old daughter, son and niece captured footage of the NSFW scene, which took place at the NYC zoo’s Congo Gorilla Forest earlier this month. 

It is unclear whether the other gorilla is male or female, with the Bronx Zoo declining to comment further when contacted by DailyMail.com.

‘I was shocked and had no idea that was a “natural act,'” the man, who chose to stay anonymous, said. 

A male gorilla stunned onlookers at the Bronx Zoo by pushing a pal to the floor of their enclosure

A male gorilla stunned onlookers at the Bronx Zoo by pushing a pal to the floor of their enclosure

Moments later, the gorilla began performing a sex act on their mate

Moments later, the gorilla began performing a sex act on their mate  

The unexpected incident triggered howls of laughter from families in the enclosure, many of whom had children with them

The unexpected incident triggered howls of laughter from families in the enclosure, many of whom had children with them 

He added: ‘My wife had to stay out of the exhibit with my sleeping son, so I wanted to capture a lot of video. Then this magic happened.’

The ‘magic’ he captured on video proved humans aren’t the only ones who get down and dirty for fun. 

Adult onlookers gasped, shouted and turned their children’s heads away as the male primate pushed the smaller ape to the ground and serviced it as it closed its eyes and put its hands around its partner’s head while thrusting its hips and curling its toes.  

Contrary to what many think, gorillas performing oral sex is quite common throughout the animal kingdom, as reported by The Post, with sightings of cheetahs, bears, bats and other ape species taking part in the racy act, too.  

A representative at the Bronx Zoo said he was unaware of the clip and didn't comment when reached out to by DailyMail.com

A representative at the Bronx Zoo said he was unaware of the clip and didn’t comment when reached out to by DailyMail.com

Bonobos have even come to be known as ‘hippie apes’ for their infamously kinky sex lives where they often engage in the act with monkeys of the same sex. 

They ‘behave as if they have read the Kama Sutra – performing every position and variation one can imagine,’ Steve D Pinkerton, a professor of psychiatry and behavioral medicine at the Medical College of Wisconsin, confirmed in his book Sexual Nature/Sexual Culture.

According to Discover Magazine, ‘there’s no reason why an animal should seek sex unless they enjoy it,’ and therefore sex is not always simply to reproduce.

In fact, gorillas are ‘most likely to display responses similar to humans,’ meaning that yes, they experience orgasms. 

They’re also one of the only other animal species, besides Bonobos and humans, to have sex in the missionary position, according to The Post. 

Gorillas are non-monogamous, enjoy same-sex encounters and often interbreed with relatives

Humans and gorillas have 98 per cent of the same DNA and thus it’s not so shocking that our closest living relatives aren’t too different from us when it comes to having sex.

In fact, gorillas are one of the only other species to have sex in the missionary position with partners of either the same or opposite sex.  

‘The range of non-conceptive sex acts include genital-to-genital rubbing, oral sex, mutual masturbation and even the seemingly human-exclusive practice of French kissing,’ according to primatologist Frans de Waal, co-author of Bonobo: The Forgotten Ape.

Research has also proven that the great apes can have an orgasm from intercourse, which female gorillas have been known to use as a tactic to take down their enemies.

‘It seems to us that mating is another tactic that females use to compete with each other – in this case to gain favor with another male,’ primatologist Diane Doran-Sheehy said.

She also noted this competitive behavior could explain how humans evolved into a mostly monogamous species. 

But gorillas remain a polygamous species in the animal kingdom and dominant males will often have sex with multiple females.

It’s therefore not uncommon to hear of a gorilla mating with one of their half-siblings. 

Yet despite their size – adult gorillas can weigh up to 374lbs – male gorillas are not known to be well endowed. Compared to a male human, gorillas have very small penises and testicles.

The average length of an erect gorilla penis is 1.25inches, compared to a human’s five inches. 

Source: New Scientist 





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