By George Dvorsky

For the first time ever, scientists have documented the elaborate tap dancing courtship displays of cordon-bleu songbirds. Invisible to the naked eye, these birds execute their rapid-fire steps in as little as 20 milliseconds.

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Source:: http://feeds.gawker.com/~r/gizmodo/full/~3/knCLCc4QbXU/slow-motion-video-reveals-the-rapid-fire-dance-of-court-1743727644