Parasaurolophus walkeri

Parasaurolophus for kids

Parasaurolophus was a duck-billed dinosaur with a long hollow crest on its head.

Height3 m
Length9 m
FoodPlant eater
TimeCretaceous
RegionNorth America

The essentials

What should you know about this dinosaur?

  • Length: 9 m long
  • Height: about 3 m tall
  • Weight: about 5 tonnes
  • Food: Plant eater
  • Time: Cretaceous
  • Region: North America
Parasaurolophus stands beside a child, with the long head crest reaching backward.

How large was Parasaurolophus

The height line shows the body stance. Crest and tail extend the outline backward.

Compare in the tool

Look a little closer

More about Parasaurolophus

Short chapters for curious children and grown-ups who want to read along.

Parasaurolophus

Parasaurolophus looks as if it has a curved trumpet on its head. The long crest was hollow inside and connected with the breathing passages. Air could move through those tubes and create low calls. This plant eater belonged to the duck-billed dinosaurs and lived in Late Cretaceous North America. Its mouth held many teeth in rows for grinding plants. In Parasaurolophus, the head was both sound maker and feeding tool.

Size

Nine meters with a head tube.

Parasaurolophus was about nine meters long. The body was large and strong, but the eye goes straight to the crest. That long tube stretched backward from the skull and made the head look much longer. The dinosaur could walk on four legs and also lift higher. With that crest, it feels like a big plant eater with a built-in wind instrument.

9 m long3 m talllong crest

Food

Teeth like plant shredders.

Parasaurolophus ate plants. Like other duck-billed dinosaurs, it had many teeth packed in rows. As old teeth wore down, new ones moved in. That helped it grind tough plant material. A broad beak at the front cropped food, and tooth batteries worked farther back. The crest made sound, but the mouth did the plant work.

plant eatertooth batteriesbroad beak

Habitat

Cretaceous North American spaces.

Parasaurolophus lived in North America during the Late Cretaceous. Its world had rivers, woods, and open areas where large plant eaters moved. A low call from the hollow crest could carry across places like that. Picture a herd where some dinosaurs did not roar, but sounded through the air like deep horns.

North AmericaLate Cretaceousriver lands

Protection

Sound instead of horn fighting.

Parasaurolophus had no long forehead horns like Triceratops and no armor. The most noticeable head part was the crest. It could help with recognizing, calling, and display. Around predators, size, herd life, and movement mattered too. The crest was not a spear; it was more like a signal device that made this dinosaur special from far away.

hollow crestlow callsherd

Movement

Graze on four, look higher.

Parasaurolophus could walk on four legs, especially while feeding and moving calmly. The hind legs were strong, so a higher posture was possible too. The tail helped with balance. With a long body, strong legs, and the crest reaching backward, it felt like a big plant train that could hear, call, and eat.

four legsstrong hind legsbalance

Did you know?

The crest was hollow inside.

The best Parasaurolophus detail sits hidden in the head. The crest was not solid; tubes ran through it. That shape turned it into a dinosaur instrument. When air moved through, low tones could come out. The skull was not just a shape to look at; it was a built-in sound body.

hollow crestsound tubelow tones

about 3 m tall

Beside a child, Parasaurolophus looks large, and the crest makes it seem even longer. The height shows the body, while the head tube reaches backward. You can spot at once: this dinosaur had sound in its skull.

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