A natural born killer

[wiperhunter2]

I've seen birds learn behaviour like that from other birds but it's still pretty crazy to think they are that smart. In my local area crows have learned to pick up walnuts in their beak, then fly up high and drop the walnut, so it will break open and they can get the meat out of it. When I first saw one do that I was very surprised but now it seems like they all do it in my area.[crazy]
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