The proboscis scamp of Malaysia – perhaps not the best see our distant primate full cousin – is famed for its strange shoe - mould nose . But what is the point of wielding this impractical nose on the front of your face?Well , concord to a new study , it ’s almost for sure to do with sex .
young inquiry from Cardiff University in the UK , the Danau Girang Field Centre in Mayalysia , Kyoto University in Japan has found a readable link between the nozzle size of the male monkey and the number of females in their harems , suggesting that big - nosed Male have more gender than the modest - nosed similitude . Not only that , a bigger nose also seems to mean bigger ballock .
Their subject was research publish in the journalScience Advances .
" Although the unique nature of the ' odd - nosed ' proboscis monkey has long been admired as an extremely attractive visual lineament by biologists , explanation for its evolution have so far been gleaned more from folklore than from skill , ” Dr Sen Nathan , Assistant Director of Sabah Wildlife Department at Cardiff University , say ina argument .
To gain this close , researchers studied the behaviour and anatomy of imprisoned and loose - ranging proboscis monkeys , searching for correlation coefficient between body mass , facial characteristics , testicular volume , vocalizations , and the number of harem female person .
This phenomenon is sleep together as intimate selection and can be found throughout the beast kingdom . It ’s the same theme as a manful peacock showing off its pretty plumage to print a female . Although the feature might decrease the male ’s chance of endurance , it can increase its chances of procreative success by “ advertizement ” its sexual prowess to a would - be mate . For the proboscis monkey , a chubby snout means is an audiovisual cue towards the females to show who is the dominant male person and therefore who is deserving reproducing with .
