One day a bat was caught by a weasel. The bat asked the weasel to let him go, but the weasel refused, saying that he was an enemy of the birds. The bat assured the weasel that he wasn’t a bird, but a mouse, so the weasel let the bat go. Later, the bat was caught by a second weasel. The bat asked the weasel to let him go, but the weasel refused, saying that he was a mouse hunter.