Size comparison of various animals and a human, illustration. MASATO HATTORI/SCIENCE PHOTO LIBRARY
30 Surprising Comparison Photos Revealing The True Size Of Animals
Triceratops dinosaurs, illustration - Stock Image - C026/5637 - Science Photo Library
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Crocodile, illustration, illustration - Stock Image - C051/8066 - Science Photo Library
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Size comparison of Megalodon shark to modern living animals; elephant seal, human, sperm whale, giant squid, and great white shark.
30 Surprising Comparison Photos Revealing The True Size Of Animals
ostrich dinosaur - Keyword Search - Science Photo Library
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Extinct birds, artwork - Stock Image - C001/3514 - Science Photo Library
File:Comparative-view-of-skeletons-of-man-and-horse-C.jpg - Wikimedia Commons