I only go to quiznights to make up the numbers or to Heckle Gordon, he puts on a posh accent (if there ever was one in Scotland)
My answer to the animal a 4 legs = 2 human beings[
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Gordons answer (obviously very sensible, yawn ,,,, boring)
Polar bear (ursus polaris and I thought that was a shoe)
or Hippo pot a mouse
Sea otter