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60秒科学:为了宁静,猴子宁愿放弃食物

时间:2011-07-08 11:41:01 来源:scientificamerican 编辑:sunny  每天三分钟英语轻松学

在巴西的城市公园里,生活着一些绒猴,它们选择生活在安静的地点,而不是食物最多的地点。

What does a bookworm have in common with a black-tufted marmoset? They both like a little quiet. Or so say scientists in the Royal Society journal Biology Letters. [Marina Duarte et al., "Noisy Human Neighbours Affect Where Urban Monkeys Live"]

As urban areas continue to expand, their human inhabitants spread all sorts of pollution: air pollution, light pollution, even noise pollution. Each of these environmental encroachments affects the survival and behavior of local wildlife. And monkeys are no exception.

Scientists in Brazil were studying how marmosets in a city park cope with ambient noise. And they found that the monkeys tend to settle down in whatever part of the park is most quiet. On weekdays, the marmosets steered clear of the roar of traffic, and on Sundays they shunned the clamor of visiting crowds. They dodged all the din, even when moving meant that they had to leave behind the places that offered them the most food.

It could be that the monkeys are just skittish when it comes to unwelcome sounds. Or maybe they can’t hear what their friends are saying when it gets too loud. Either way, next time you see a cute little marmoset, forget “oooh” or “awwww” or “ee-ee-ee.” Try shhhh.

—Karen Hopkin 

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