Sword-billed Hummingbird Credit: 9VoltGorilla What am I looking at? This is NOT a sword-billed hummingbird, but rather a normal hummingbird perfectly lined up with the crack on the floor. More optical illusions:Back to SchoolDog jumping over ManhattanBig womenCat a logStretchy CatParrotBicycle wheels on a truckHidden ad in advertisement page