Is It True the T-Rex Couldn't See You If You Didn't Move? | Summary and Q&A

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October 19, 2019
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Is It True the T-Rex Couldn't See You If You Didn't Move?

TL;DR

Contrary to the movie Jurassic Park, the T-Rex had excellent vision and may have had visual clarity up to 13 times better than a modern human.

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Questions & Answers

Q: Was the statement made by Dr. Grant in the movie Jurassic Park about the T-Rex's vision actually referring to a frog's vision?

It's unlikely that the statement referred to a frog's vision because frogs can still see prey that doesn't move, and Dr. Grant's quote suggests that they used West African frogs that change sex, possibly the African reed frog.

Q: How good were the T-Rex's eyes really?

Based on Kent Stevens' research, the T-Rex may have had visual clarity up to 13 times better than a modern human, and their vision allowed them to see objects up to six kilometers away.

Q: Were Velociraptors as depicted in the movie Jurassic Park actually accurate?

No, Velociraptors were smaller than portrayed in the movie, about the size of a domesticated turkey. They had similarities to birds, such as hollow bones, feathers, nest-building behavior, and were likely solitary creatures.

Q: Why was the name "Velociraptor" used in the movie instead of "Deinonychus"?

Michael Crichton, the author of Jurassic Park, used the name "Velociraptor" because it was deemed more dramatic, even though the creatures in the movie were based on the larger Deinonychus.

Summary & Key Takeaways

  • The T-Rex had great vision and its binocular range was wider than even hawks, possibly better than modern-day hawks and eagles.

  • Research conducted by Kent Stevens using digital technology and dinosaur models confirmed the T-Rex's visual field, depth perception, and binocular range.

  • T-Rex's snout, cheek bones, and eyeballs were structurally primed for excellent vision, and their olfactory bulbs and nerves indicate a great sense of smell.

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