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The reference to squirrels nibbling nuts was supposed to be a joke. I do not need to know about the life cycle of a squire to find it distasteful when I see over-fed 'Fluffy' break its neck with one shake then dump it. Most animals kill for food. Cats seem to relish killing for the sake of it. Domestic cats kill hundreds of thousands of wild birds per year yet people keep them as pets. If dogs did that there would be outrage.