Strangest dog behaviour?

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What is the strangest thing your pet does (preferebaly dogs, but maybe you have others pets that do wild and whacky things! Ana likes to bark at others.. even herself in the mirror (as pictured). But she does bark at the tv reflecting in the window.. haha. Crazy dog. She digs (like most dogs) but loves to wind the bigger dogs up... Strangest thing she does though? She rubs her nose on the carpet about 20 times before eating one mouthful of food... don't know why she does this.. but she will rarely eat without doing it. haha.