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  • Gastrolith - Wikipedia
    Gastrolith comes from the Ancient Greek γαστήρ (gastēr), meaning "stomach", and λίθος (lithos), meaning "stone" Among living vertebrates, gastroliths are common among crocodiles, alligators, herbivorous birds, seals and sea lions Domestic fowl require access to grit
  • Why Some Animals Eat Rocks to Aid in Digestion - HowStuffWorks
    Gastroliths, or "stomach stones," are used by animals such as birds and reptiles to aid in the digestion of tough plant materials by grinding food in their gizzards
  • Digesting the Past: All About Gastroliths or Stomach Stones
    Gastroliths are nature’s tiniest rock collection, but instead of sitting on a shelf, these stones travel inside the stomachs of animals They’re not your average pebble picked up on a riverside stroll but a chosen tool for creatures like birds, alligators and even dinosaurs to assist in their digestion
  • Gastroliths - University of California Museum of Paleontology
    Rocks that have been in the digestive system of an animal are called gastroliths, which literally means "stomach stones " Any kind of rock can become a gastrolith — all it has to do is be swallowed by something
  • The Great Cretaceous Walk: Why Eat a Rock? Gastroliths . . .
    Gastroliths are rounded rocks that, for whatever reason, end up in an animal’s digestive tract Why would an animal swallow a rock? Two reasons come to mind: (1) Accidental ingestion, in which a rock that was too close to some food and went along for the ride
  • Palaeobiology: Solving the Riddle of the Gastroliths - OpenLearn
    However, many terrestrial (land-living) animals such as the long necked sauropod dinosaurs, swallowed stones, so gastroliths are not necessarily related to swimming Sauropods used them to help digest the tough plant matter they consumed – but swimming reptiles ate meat





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