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Parasaurolophus with a Long Crest

A peaceful duck-billed dinosaur displays its long curved crest and broad beak in side profile.

A calm Parasaurolophus with a long curved crest and broad beak standing in side view.
Parasaurolophus with a Long Crest
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A4 format (landscape), black outlines on a white background · for home and classroom use

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The Distinctive Features of Parasaurolophus

Parasaurolophus is easily recognized by the long, hollow tube extending from the back of its skull. The creature features a wide, duck-like beak suited for gathering plants and a sturdy body built for walking on both two and four legs.

Sound and Communication in Crested Dinosaurs

The hollow crest of Parasaurolophus connected directly to its nasal passages, acting like a natural trumpet or organ pipe. By blowing air through these internal chambers, the dinosaur could produce low-frequency booming sounds that echoed across long distances. These acoustic signals helped herd members stay connected across dense riverbank forests.

Realistic Palette for Parasaurolophus

  • Body hide: patterned gray, dusty brown, or muted ochre
  • Curved head crest: reddish-orange, striped yellow, or dark crimson
  • Broad beak: dark horn color, charcoal gray, or tan
  • Underbelly: cream, light beige, or soft pale brown
Questions and answers

Frequently Asked Questions

Was the crest of Parasaurolophus used as a snorkel underwater?
Early scientists hypothesized that the crest served as a breathing tube, but further study revealed it had no opening at the tip. Instead, the crest functioned primarily for making sound signals and displaying visual warnings to other herd members.
Did Parasaurolophus walk on two legs or four legs?
Parasaurolophus was bipedal when traveling quickly, but it dropped down onto all four legs while grazing low plants or resting near water sources.
How long was the head crest of an adult Parasaurolophus?
In fully grown adults, the curved tubular crest could reach up to six feet long, extending backward past the base of the neck.
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