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) |