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Were Dinosaurs Bird Brains?

Were Dinosaurs Bird Brains?. Rebekah A. Wright Department of Geosciences, University of Arizona Tucson, AZ 85721 rwright@geo.arizona.edu. Was a crocodile really smarter than a brachiosaur?. Vs. Could a tyrannosaur have outsmarted an ostrich? . Reptile Brain vs. Body Size.

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Were Dinosaurs Bird Brains?

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  1. Were Dinosaurs Bird Brains? Rebekah A. Wright Department of Geosciences, University of Arizona Tucson, AZ 85721 rwright@geo.arizona.edu

  2. Was a crocodile really smarter than a brachiosaur? Vs.

  3. Could a tyrannosaur have outsmarted an ostrich?

  4. Reptile Brain vs. Body Size Figure 2 . Modified from Hopson, 1980. This graph yields the equation E=0.005P0.66.

  5. Bird Brain vs. Body Size Figure 3. Modified from Nealen and Ricklefs, 2001. This graph yields the equation E=0.12P0.55.

  6. Figure 4. Dinosaur EQ values vs bird EQ values. The most intelligent bird is the great raven and the least intelligent is the hummingbird. The most intelligent dinosaur is Troodon and the least intelligent is Diplodocus.The most intelligent dinosaurs have EQs that are higher or equal to that of the large ground birds.

  7. Figure 5. Dinosaur EQ values vs reptile EQ values. This graph shows that most dinosaurs have EQs that are higher or equal to those of reptiles.

  8. Figure 6. Dinosaur EQ values by order. This shows that Theropoda, carnivores, had the highest EQ values when compared to herbiverous orders.

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