Sea­farer de­scen­dants changed their noses

Science Illustrated - - NATURE -

South Amer­i­can pri­mates have evolved dif­fer­ently as com­pared to their African and Asian rel­a­tives. The most strik­ing dif­fer­ence is right in the mid­dle of their faces. The noses of the South Amer­i­can mon­keys and apes are typ­i­cally more flat, and their nos­trils point to the sides, whereas those of African mon­keys and apes are fac­ing down­wards. The lat­ter group in­cludes hu­mans and other apes.

South Amer­i­can mon­keys have stronger, more flex­i­ble tails that can be used to hold on to branches. Many African mon­keys have de­vel­oped large, of­ten colour­ful pads on their hind parts, which they use to sit on and to send sig­nals to their peers.

PRI­MATES: SOUTHAMERICAN sides Nostril­s­point­tothe

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