Intelligent Animals - a raven proves the existence of animal intelligence



London, England - Scientists have found that crows rooks were more skillful than chimpanzees to use tools in order to obtain their food. In some situations, they act spontaneously without any prior learning.

These birds of the Corvidae family impress the experts because they are able to use and manufacture tools “spontaneously”, to modify them, and even to use two tools after achieving a goal. Researchers say they can bend a piece of cable with their beak to form a hook and catch a worm stuck at the bottom of a tube.

Chris Bird, head of research at Cambridge University, said that their exploits are "remarkable" and they do show real intelligence because their exploits are “remarkable” and that they show a real intelligence since these birds were high in captivity and could not learn these prowesses in nature. "What is amazing is that the crows rooks do not use tools in the wild because they do not need them because the food is abundant," says Chris Bird. "Once in captivity without any training, they act spontaneously and in an expert way to obtain food."

Mr. Bird and his colleagues at Queen Mary University of London, have conducted their research with four 5-year crows bred in captivity from an early age. In a series of experiments, the corbels quickly learned how to release stones on a platform so that it crumbles and that they can reach a worm. They have shown their ability to choose just the right shape and size of stone. More testing showed that the birds could break such a branch into twigs adapted to be run through a funnel and catching food.

According to the researchers, this would be the first unambiguous evidence of the intelligence of animals. Experts believe that the ability of birds to use tools is due to a developed form of intelligence.

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