Question 1

How do you say Quetzalcoatlus?

Accepted Answer

You say it like this: ket-sal-koh-AT-lus. The trickiest part is the beginning, where the Q is actually pronounced like a K sound, not like the Q in 'queen.' Break it into four chunks: KET, then SAL, then koh, then AT-lus. Say it slowly a few times and it starts to feel natural. Once you can say it smoothly, you will definitely impress your friends and teachers.

Question 2

What does Quetzalcoatlus mean?

Accepted Answer

Quetzalcoatlus is named after Quetzalcoatl, the feathered serpent sky god from Aztec mythology. In the Nahuatl language, quetzalli means the brilliant green feathers of the quetzal bird, and coatl means serpent. Scientists chose this name because a giant flying reptile ruling the skies felt like a perfect match for a powerful sky god. The species name northropi honors Jack Northrop, the aviation engineer famous for designing flying-wing aircraft.

Question 3

How big was Quetzalcoatlus?

Accepted Answer

Quetzalcoatlus northropi, the larger species, had a wingspan estimated at 10 to 11 meters, which is wider than a school bus is long. When standing on the ground on all four limbs, it reached about 5 to 6 meters tall, roughly the height of a giraffe. Despite its enormous size, it was relatively lightweight for its bulk, with estimates ranging from around 200 to 250 kilograms, because its bones were hollow and filled with air. It is the largest flying animal ever discovered.

Question 4

Was Quetzalcoatlus a dinosaur?

Accepted Answer

No, Quetzalcoatlus was not a dinosaur. It was a pterosaur, a completely separate group of flying reptiles that evolved independently from dinosaurs. Pterosaurs and dinosaurs both descended from a common archosaur ancestor, but they branched off into very different lineages. Pterosaurs were the first vertebrates on Earth to evolve powered flight, appearing around 228 million years ago, long before birds. Quetzalcoatlus lived alongside dinosaurs but was no more closely related to them than a crocodile is to a sparrow.

Question 5

Could Quetzalcoatlus actually fly?

Accepted Answer

Yes, and scientists are now confident it was a powerful active flier, not just a passive glider. For years some researchers doubted anything that large could get airborne under its own power, but modern biomechanical studies changed that picture. Computer models suggest Quetzalcoatlus could launch itself into the air using an explosive quadrupedal vault, pushing off all four limbs at once. Once airborne, it may have cruised at around 130 kilometers per hour and flown for days on end riding thermals and winds.

Question 6

What did Quetzalcoatlus eat?

Accepted Answer

Most paleontologists today think Quetzalcoatlus was a terrestrial predator that stalked prey on the ground rather than fishing from the water. It likely waded through floodplains and riverbanks snapping up small dinosaurs, lizards, mammals, and other animals with its enormous toothless beak, much like a modern marabou stork does today. Its long stiff neck and giant skull were well suited for a stabbing, grabbing attack. Earlier ideas about it skimming the surface of lakes like a pelican have largely fallen out of favor based on analysis of its neck and jaw mechanics.

Question 7

When did Quetzalcoatlus live?

Accepted Answer

Quetzalcoatlus lived during the Maastrichtian age of the Late Cretaceous period, right at the very end of the age of dinosaurs, approximately 66 million years ago. It was alive at the same time as Tyrannosaurus rex and Triceratops in North America. Like all non-bird dinosaurs and pterosaurs, it went extinct when a massive asteroid struck Earth 66 million years ago, triggering the mass extinction that ended the Cretaceous period.

Question 8

Where was Quetzalcoatlus found?

Accepted Answer

Quetzalcoatlus fossils were found in Big Bend National Park in southwest Texas, United States. The bones came from a rock unit called the Javelina Formation, which preserves environments from the very end of the Cretaceous period. The first wing bones were spotted in 1971 by geology student Douglas Lawson. Additional bones of a second smaller species were found between 1972 and 1974, also by Lawson, about 40 kilometers from the original site.

Question 9

How did Quetzalcoatlus take off?

Accepted Answer

Scientists believe Quetzalcoatlus launched into the air using a powerful four-limbed vault rather than running along the ground. It would crouch down on all four limbs and then explosively push off with its enormously muscular arms and legs simultaneously, essentially pole-vaulting itself into the air. This method is similar to what smaller pterosaurs are also thought to have used, and it would have allowed even the giant Q. northropi to get airborne very quickly without needing a long runway.

Question 10

Are there two species of Quetzalcoatlus?

Accepted Answer

Yes. The large species, Quetzalcoatlus northropi, is the one with the airplane-sized 10 to 11 meter wingspan and is known mainly from fragmentary wing bones. The second species, Quetzalcoatlus lawsoni, is significantly smaller with a wingspan of about 4 to 5 meters and is actually known from much more complete skeletal material. Q. lawsoni was only formally named in 2021 by Brian Andres and Wann Langston Jr., nearly 50 years after its bones were first collected. Both species lived in the same region of Late Cretaceous Texas.

Question 11

How does Quetzalcoatlus compare to a modern bird?

Accepted Answer

The largest living bird, the wandering albatross, has a wingspan of about 3.5 meters. Quetzalcoatlus northropi had a wingspan of up to 11 meters, more than three times larger. No living bird comes close. Even the biggest extinct birds like Pelagornis, a seabird with a wingspan of around 6 to 7 meters, fall short of the largest pterosaurs. Quetzalcoatlus also differed fundamentally in structure: its wings were formed by a membrane of skin and muscle stretched along a single hugely elongated fourth finger, rather than the feathered arm bones of birds.

Question 12

Who discovered Quetzalcoatlus?

Accepted Answer

Quetzalcoatlus was discovered in 1971 by Douglas Lawson, a University of Texas geology student who was doing fieldwork in Big Bend National Park in Texas. He spotted enormous wing bone fragments eroding out of the Javelina Formation and realized they were something completely new. Lawson worked with paleontologist Wann Langston Jr. at the University of Texas at Austin, and together they formally described and named Quetzalcoatlus northropi in a scientific paper published in 1975. The second species was later named Quetzalcoatlus lawsoni in Lawson's honor in 2021.

Question 13

Is Quetzalcoatlus in any movies or games?

Accepted Answer

Quetzalcoatlus appears in the Jurassic World franchise, including the Jurassic World Dominion film released in 2022, where it is shown as a massive aerial predator. It also appears in various prehistoric life documentaries and in games like Ark: Survival Evolved and the Jurassic World Evolution series. In most of these portrayals it is depicted as dangerously aggressive, though real scientific evidence about its behavior suggests it was more of a stalking ground predator than an aerial hunter diving on large prey.

Quetzalcoatlus Pronunciation

What does Quetzalcoatlus mean?

Name Roots

Fun Facts

Learn More About Quetzalcoatlus

Related Prehistoric Creatures