Dcat loves his cardboard boxes with a passion, nothing weird about that. Our other dcats have slept in them, played all normal.
Our Mr. Mozart has taken it one step further, he bites them apart bit by bit, same as when you see a budgie go nuts on a piece of paper. He doesn't eat it, bites one piece off, spits it out and on to the next bite. When he has had enough, he makes himself comfy and has the most satisfied look on his face
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Any experiences? Does your dcats do this too?