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by MILES ERWIN - 8th July, 2009
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The 'invisible hand' that helps
animals take turns
Taking turns to do the housework or putting out the rubbish may
not just be good manners but part of evolution.
Related Tags: cooperation
penguins
animals
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As children, we are taught to take turns and share but a range of other animals do it as well, without
the help of language, researchers reveal today.
They say an 'invisible hand' may be guiding us, which would explain
how it has evolved across many species without being taught.
'People living together often agree to take turns washing up the dishes
after meals, or taking their children to school,' said Prof Andrew
Colman of Leicester University.
'Humans have never asked the question of how it evolved because it
seems so natural. But turn-taking has also evolved in many other
species including apes, monkeys, birds and antelopes that take turns
grooming each other, and mating pairs of Antarctic penguins that take
turns foraging at sea while their partners incubate eggs.'
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Your turn: Antarctic
penguins take turns
incubating their eggs
The findings confirm cooperation does not always require 'benevolence or
deliberate planning', Prof Colman said.
This form of cooperation is guided by evolutionist Charles Darwin's
'invisible hand' doctrine, he added.
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http://www.metro.co.uk/news/699658-the-invisible-hand-that-helps-animals-take-turns[19/11/2010 14:26:37]