Bird Feeder Mystery

I looked out my window this morning and the squirrels were hogging the feeder once again. They don't even go very far when I try chasing them away. They make such a mess, knock the feeder over. Anyway, I noticed there is blood all over my little table that the feeder sits on. Big drops of bright red frozen blood. No feathers, no fur. I saw some blood on the patio fence too along with some squirrel droppings so I am assuming it's squirrel blood. Maybe a hawk or owl had a squirrelly breakfast? A mystery.



My feeder setup.



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