Dinosaurs
🦕Duck-Billed Dinosaurs
Hadrosauridae
5
These dinosaurs had flat, duck-like bills and many had incredible head crests in wild shapes. Some crests were hollow tubes they could blow air through to make loud, booming calls like a foghorn!
Source: Wikipedia💡Parasaurolophus had a hollow crest up to 6 feet long on its head. Scientists used CT scans and 3D printing to recreate the sound it made - a deep, eerie foghorn-like blast that could be heard for miles!
5 dinosaurs
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