Hunting for Dinosaur Tracks

Just outside of Austin in the suburb of Leander, Texas hikers can find three toed dinosaur footprints embedded in the rock of a river bed. The footprints are estimated to be over 100 million years old. Based on their shape, they are thought to be tracks left by an Acrocanthosaurus ("high spined lizard" in Greek). Although the animal would have been quite large, the feet of an Acrocanthosaurus are small compared to similar sized dinosaurs. Their smaller foot size was likely because they lived in a drier climate and did not need a large surface area to keep them from sinking in mud.

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