Most (real) scientists agree that birds evolved from some species of dinosaur.  Many have thought – due to the discovery some years ago that certain species had feathers on both their front and hind legs - that the regular old two-winged birds we know today were pre-dated by and evolved from a four-winged species.  Well, now they have proof!  Eleven early bird fossils have been discovered which suggest that birds once had four wings.

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[Image: Wikimedia Commons]