This is a video of a half a million birds swarming over Sacramento California. I just want to know who estimated that there is a half a million. Are they sure there are not a million, or maybe only 100,000 instead? Well either way it is pretty cool, and reminds me of the movie by Alfred Hitchcock, "The Birds".Check out the video of the Birds over Sacrament here These following two paragraphs are from an article at "The Independent", and it is about the phenomenon called a murmuration; Winter must must be coming... because the starlings are flocking. Here are...