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乌鸦也会手势语?

所属:社会热点 来源:daily mail 阅读:3056 次 评论:0 条 [我要评论]  [+我要收藏]

小编摘要:乌鸦一直给人不吉利的感觉,然而乌鸦却是除猿类以外唯一能像人类那样“指”东西和分享东西的物种了!

导读:乌鸦会像人类一样指东西给对方看来引起对方的注意,是不是很有趣?到目前为止,人类认为只有猿类能通过这样的方式彼此交流。然而乌鸦比人们想象的要聪明多了!通过科学家们对乌鸦的观察,它们会用鸟喙把诸如苔藓、石头、树枝之类的东西给对方看或者递给对方。并且它们一般都是对异性才会这样做,以彼此亲近。之前的手势语研究一直集中在灵长类动物身上,但现在发现乌鸦也会指示动作,比它们的同类要聪明多了!


Ravens ‘point to’ objects to attract each other’s attention in a similar way to humans, research has discovered.

Until now, it was thought the only animals which communicate this way were apes.

But a study by German and Austrian experts revealed ravens to be far more intelligent than previously thought.

They observed wild ravens using their beaks to show and offer each other objects such as moss, stones and twigs.

The birds, which belong to the corvid family with crows and magpies, made signals using their beaks as if they were hands. The experts likened this to the way very young children point and hold up objects as a way of saying ‘look here’ or ‘take this’.

The gestures were mainly between ravens of the opposite sex and helped them become closer. The ravens that attracted a potential mate using them often ended up ‘sharing’ the object with their friend.

The study’s author, Dr Simone Pika, of the Max Planck Institute in Berlin, said it was the first evidence ravens use gestures ‘to test the interest of a potential partner or to strengthen an already existing bond’.

Dr Pika added: 'These results provide the first evidence that ravens also use so called deictic gestures in order to test the interest of a potential partner or to strengthen an already existing bond.

'We observed that ravens use their beaks similar to hands to show and offer objects such as moss, stones and twigs.

'These distinct gestures were predominantly aimed at partners of the opposite sex and resulted in frequent orientation of recipients to the object and the signallers.

'Subsequently, the ravens interacted with each other, for example, by example billing or joint manipulation of the object.'

Dr Pika said that ravens are songbirds belonging to the corvid family like crows and magpies, and they surpass most of the other avian species in terms of intelligence.

He said: 'Their scores on various intelligence tests are similarly high than those of great apes. 

'Ravens in particular can be characterised by complex intra-pair communication, relatively long-time periods to form bonds and a relatively high degree of cooperation between partners. 

'Gesture studies have too long focused on communicative skills of primates only. 

'The mystery of the origins of human language, however, can only be solved if we look at the bigger picture and also consider the complexity of the communication systems of other animal groups.' 

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2011-12-07 15:42 编辑:lilylikelily
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