Sentences with phrase «gizzard stones»
Another change strongly suggests that as it aged Limusaurus gave up omnivory and switched to a plant - based diet: Larger individuals have swallowed stones that ostensibly helped the dinosaurs grind up vegetation and aided digestion, just as gizzard stones do in birds today.
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The environmentally conscientious need not fret, as the «heart» is just a glorified gizzard stone and removing one is not fatal to the animal.