Monkeys In Japan Are Now Having $ex With Deers & Scientists Say It May Be A New ‘Behavioural Tradition’ (Video, Photos)


Scientists studying monkeys and deer have revealed that $ex between the creatures may be a new “behavioural tradition.”

Earlier this year, the scientist first filmed Male Japanese macaques were mounting female sika deer in Minoo, Japan. They say it was unclear whether this was a case of “misdirected mating” but suggested the unusual behaviour may well be $exual after adolescent female monkeys and sika stags were also observed copulating.

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Publishing their findings in the Archives of $exual Behavriour journal, researchers hypothesised that there could be several different reasons why the animals are taking part in inter-species $ex.

They suggested young female monkeys may be using the interactions as practice for eventual mating with male macaques.

Adolescent females, who are routinely rejected by older males, could also be using the deer as an “outlet for $exual frustration”, they said.

Finally, the report’s authors theorised $ex between the two species was the start of a brand new “behavioural tradition”, which could either develop into a “short-lived fad” or a “culturally maintained phenomenon.”

The study said: “The monkey-deer $exual interactions reported here may re?ect the early stage development of a new behavioural tradition at Minoo.

“Observational learning and social tolerance towards unusual $exual interactions are likely conducive to the expression, spread, and maintenance of other non-conceptive $exual behaviours in this primate species.

“Monkey-deer $exual interactions had never been noticed at Minoo before 2014. Future observations at this site will indicate whether this group-speci?c $exual oddity was a short-lived fad or the beginning of a culturally maintained phenomenon.”

The Minoo macaques and deer are not the only animals known to look for $ex outside their own species.

Antarctic fur seals have also been observed trying to mate with king penguins, while types of bird, cat, and dolphin has also been known to carry out the behaviour.

However, while these interactions are usually a case of one an aggressive animal $exually harassing another, scientists believe the deer and macaques have $ex consensually.

The report stated: “During the vast majority of heterospeci?c consortships, adult male deer behaved passively, either standing still or slowly foraging while being recipients of the monkeys’ $exual activities.

“Our preliminary observations suggest that this tolerance on the part of stags may translate into some potential hygienic benefits in the form of allo-grooming by the monkeys. This grooming was specifically directed to body parts that are not easily accessed by the deer.”

Watch the video below.

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