The koala, the Koala empty drink twenty bottles of cola! Walter Moers has already guessed years ago that it is the intelligence of koala bears are not far away. So cute and cuddly
these bears are, your eyes are totally passed out. If you look a koala in the eye, you'd think there would be no one at home and this is no accident. The koala is the only animal that does not match with the skull and brain size. The walnut-sized brain is floating in a much too large fluid-filled skull. Probably the Koala was saved from brain mass in favor of alternative energy use. Namely, the brain needs lots of energy.
The human brain, for example, makes only 2% of our body weight but requires 20% of the total energy budget. The koala eats toxic leaves of rubber tree and spends 20% of its energy to make this poison harmless. Since there is little energy for the Brain. Life in the treetops, where there are few natural enemies, can just be overcome without much understanding .*
* Source: Lonely Planet Australia
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