Humans have long used the behavior of rats to personify the worst qualities in their fellow man but Rats recognize kindness, repay favors !

rats

 

Humans have long used the behavior of rats to personify the worst qualities in their fellow man. When it comes to acts of kindness, however, it turns out the much maligned creature is willing to repay favors to its fellow rodents.

The study, published this week in the journal Biology Letters, was set up to observe an ever elusive concept in the animal kingdom – the principle of direct reciprocity.

According to Michael Taborsky, a behavioral ecologist at the University of Bern in Switzerland who helped carry out the experiment, the practice is in fact so rare that this is the first time it has ever been scientifically observed in non-humans.

Along with his Swiss colleague Vassilissa Dolivo, the team brought together 20 female wild-type Norwegian rats. During the experiment, the team used pieces of banana as attractive awards, and pieces of carrots as less attractive rewards.

The rats were able to deliver one of these morsels to another rat in an enclosure by pulling a stick. After some time, the rat on the receiving end would begin to differentiate between the quality of its helper based on the type of food it received.

More on

http://rt.com/news/236503-rats-remember-kindness-favors/

 

 

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