Among the animals that use the device are primates, but some birds also use skillfully learned techniques well.
Crows are smart birds, we know that well. They are able to perform logical tasks and steps in order to gain access to food.
In England, titmouse caused uproar by learning to tear the foil on top of the milk bottle and thus gain access to the cream. But people didn't figure it out. It took time to listen to the skillful birds. However, it turned out that this knowledge was not kept to themselves and essentially the titmants used this knowledge to tap the dairy herds of people across the continent. This is because the birds learned the technique from each other and passed on their knowledge.
And in Australia, cockatoos have learned how to open the trash lid to gain access to food. However, there are differences in the technique of opening trash cans. Not only have they found a place to get easier and safer food themselves, but other methods are being used to access food.
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(Source: kotikedvenc.co.hu | Pictures: pixabay.com)