Stealing giant green Sinclair dinosaurs is becoming a thing. Mario Tama, Getty Images Mario Tama, Getty ImagesAlthough stealing dinosaurs seems unusual, this is not the first time that a dinosaur has gone missing in Montana. This past fall, a dinosaur went missing from a Sinclair station in Bozeman. Mario Tama, Getty Images Mario Tama, Getty ImagesThis could be the reason why many people continue to target these dinosaurs. Mario Tama, Getty Images Mario Tama, Getty ImagesMaybe it is time to give them a break.