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Crocodiles Swallow Stones: Unveiling the Scientific Secrets Behind This Peculiar Habit

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News18•29-09-2026, 19:07
Crocodiles Swallow Stones: Unveiling the Scientific Secrets Behind This Peculiar Habit
- •Crocodiles swallowing small stones with their food is scientifically known as "Gastroliths."
- •This behavior serves two main purposes: aiding digestion and controlling buoyancy in water.
- •Unlike humans, crocodiles cannot chew; the gastroliths in their stomachs grind large food pieces.
- •Stones mechanically and stomach acid chemically combine to facilitate the crocodiles' digestion.
- •The extra weight from the stones helps crocodiles balance underwater, aiding in hunting and steady swimming.
Key Questions Answered
The stones that accumulate in the stomachs of crocodiles are scientifically called gastroliths.
Crocodiles swallow stones to help mechanically grind large pieces of meat and bones inside their stomachs, acting like a natural grinding machine to aid digestion.
The extra weight of the stones in their stomachs helps crocodiles balance their body weight underwater and control their buoyancy so they can float steadily, swim, or stand still to hunt.





