The Otter (Lutra Lutra) is one of the best swimmers amongst all land predators. Otters can blow air into their extremely dense fur. This allows them to drift on the water's surface without going under. They keep their eyes shut with their paws, so they can snooze in peace. Their skin forms wrinkles and pockets in which they can stow food. The clever animals are small craftsmen and use their self-built tool sensibly.
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