Backyard Bruce
Songster
Do they just pass this gravel through the digestive system.
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Do they just pass this gravel through the digestive system.
I seem to remember reading somewhere that a Turkey's gizzard could crush a metal pipe. But in any case, they use the gravel as "teeth" and it gets worn down and passed out when its too small to be stopped from getting "swallowed."Do they just pass this gravel through the digestive system.