Explaining Dinosaurs on Instagram: "A Quetzalcoatlus was a giant flying reptile that lived about 68–66 million years ago during the Late Cretaceous period. It was not a dinosaur, but a pterosaur, a group of reptiles that flew at the same time dinosaurs lived. Quetzalcoatlus is famous for being one of the largest flying animals ever discovered. Its wingspan is estimated at around 10–11 meters (33–36 feet), about the size of a small airplane. Despite its enormous size, it likely weighed only aroun