French theme park deploys crows to collect litter

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French theme park deploys crows to collect litter
A theme park in France is set to deploy six "intelligent" crows to pick up rubbish and spruce up the grounds. The birds at the Puy du Fou theme park in the west of the country have been taught to collect cigarette ends and other small bits of rubbish. 

They then deposit the litter into a small box which will deliver some bird food as a reward for their hard work, reports BBC. The first crow cleaners have already been put to work, with the rest set to join them on Monday. Nicolas de Villiers, the head of the park, told AFP news agency that it was not just about keeping the area clean. 

"The goal is not just to clear up, because the visitors are generally careful to keep things clean". It was also about showing "that nature itself can teach us to take care of the environment".   
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