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Key Information

Beibeilong

Species Beibeilong sinensis
Diet Herbivore
Length 25 ft
Height About 9 ft
Weight 1.5 to 2 tonnes
Timescale Late Cretaceous
Classification Saurischia > Theropoda > Caenagnathidae

Learning Point

  • Beibeilong, the giant “baby dragon” that redefined dinosaur parenting. Originally famous as a tiny embryo nicknamed “Baby Louie,” this species was actually a massive, bird-like oviraptorosaur that grew up to 25 feet long. Imagine a feathered titan the size of a school bus with a toothless, parrot-like beak and lethal claws. They laid some of the world’s largest eggs—18 inches long!—in giant, ring-shaped nests. More than just a fossil, its journey from being smuggled out of China to its eventual repatriation makes it a legendary case study in paleontology and international heritage.

Project

  • Draw a picture of a Beibeilong looking after its eggs and babies.
  • Overview
  • X-Ray

Location

Confirmed Henan, China

Fun Facts

  • The name Beibeilong means “Baby Dragon” in Chinese. Before it got its official scientific name, it was famous for years by the nickname “Baby Louie.”
  • A Giant Parrot-Lizard: Even though it was a dinosaur, it didn’t have teeth! It had a hard beak just like a parrot, which it likely used to crunch on plants or small snacks.
  • Beibeilong laid some of the biggest eggs ever found. A single egg was about 18 inches long—that is bigger than a professional American football or a large loaf of bread!
  • While the most famous fossil is a tiny baby, the adults were monsters! Scientists believe a grown-up Beibeilong was 25 feet long and weighed as much as a rhino.
  • Scientists believe this dinosaur was covered in feathers. It probably looked like a giant, scary, flightless bird with long fingers and sharp claws.
  • They didn’t just dump their eggs in the dirt. They built giant ring-shaped nests and the parents would sit right in the middle of the circle to protect the eggs without accidentally squashing them!

Past Lessons

226 March 16, 2026 (North America)
No Past Lessons

Upcoming Lessons

No Upcoming Lessons