The painting depicts a Quetzalcoatlus, a giant pterosaur that lived in North America during the Late Cretaceous period. It had a wingspan of up to 36 feet, making it one of the largest flying animals of all time. The Quetzalcoatlus was a carnivore and likely fed on fish, small dinosaurs, and other animals. It is one of the most famous pterosaurs and has been featured in numerous documentaries and films.