quetzalcoatlus

Quetzalcoatlus was a huge flying reptile that lived in North America during the Late Cretaceous Period. It was named after the mythical Mesoamerican feathered serpent god Quetzalcoatl. It had a wingspan of 36 feet and weighed around 250 to 300 pounds. The type species is Q. northropi, named by Douglas Lawson in 1975.