An escalation in the game of Cat and Mouse

from here (image source)

I've seen cats in tanks too, but I think those have always been cardboard.

Never underestimate your adversary

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I can't help wonder how the rat learned how to do this. Certainly it wasn't through it's own failures because that's not the kind of failure you get a second chance with. It must have either been taugh by another rat or it learned from another rat's mistakes. Either way, that's more inteilligence than I would have thought rats capable of. Now I know better.