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Not only are they used, but they are also made

Perhaps the crow is not the most popular bird, the bleak voice and the black "dress", but it is very clever, asset users.

It has long been known to be easy to learn and to use tools to access food. The use of tools is a complex activity that requires thinking, and we would think that only man and the apostles have their own, but we already know that this is not the case.

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Experiments with crows have shown that these smart birds do not only use tools to gain access to food, but also produce tools. In the experiment, sticks were placed around the boxes that contained the food to have access to the delicious snack. However, it was enough that a wand was not enough, but by stacking two sticks, the device became extensible, so the task was solved. Most of the crows have managed to solve this task, so that no one has shown them the fitting of the rods.

So far, we knew that crows were clever, but it was only recently that they were able to use unknown objects.

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Pixabay.com (Images are illustrations)

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