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The teeth of Falcarius are rather peg-like. In some other animals, like Diplodocus, we find these sorts of teeth and they are mainly for sheering leaves off of the twigs and branches from which the dinosaur fed. Because of this it is also highly likely that Falcarius ate in a very similar manner. Use of the hand like that of a sloth, for pulling down branches, while the teeth strip the leaves from the plant. The teeth are not designed for crushing and chewing plant matter in a highly efficient manner. There are a few teeth that appear to be for crushing plant matter, but they are very few and more toward the posterior end of the mouth. This probably entails the use of a gizzard in the digestive system, though as yet we do not seem to have compelling evidence of this organ structure.
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