Quetzalcoatlis, named after the Aztec deity Quetzalcoatl, had lightweight, air-filled bones that enabled flight. Recent studies suggest it could reach speeds of 80 mph by tucking its wings and diving, aided by its aerodynamic head and neck.

What inspired the name of the flying creature Quetzalcoatlis?

• A type of bird

• A famous explorer

• A mythical serpent deity

• A historical event

What was the primary characteristic of Quetzalcoatlis' bones?

• They were solid and heavy

• They were flexible and rubbery

• They were filled with air and lightweight

• They were made of metal

How did the bone structure of Quetzalcoatlis contribute to its ability to fly?

• By making it heavier

• By increasing its strength while reducing weight

• By making it more colorful

• By allowing it to swim

What feature of Quetzalcoatlis helped it achieve high speeds?

• Its long tail

• Its colorful feathers

• Its aerodynamic head and neck

• Its large feet

What was the estimated speed Quetzalcoatlis could reach while diving?

• 100 mph

• 80 mph

• 60 mph

• 50 mph