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That would be the gizzard.

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Q: What organ in birds hold rocks that they swallow to help with digestion?
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Related questions

What animal swallows rocks to aid digestion?

Birds swallow very small rocks that are used by their gizzards to grind their food.


What is an fact about worms?

They swallow rocks to help with digestion


Which emus eat rocks?

There is only one species of emu. Emus swallow stones and pebbles to help their digestion.


Do cows eat rocks to help with digestion?

No. Cows are not birds, they are mammals, they do not have a gizzard to store rocks in to help digest their food.


Can hens eat sand?

No. They will however ingest pebbles. They do not however digest them. There is an organ in the neck which is called a gizzard and is basically a sack of rocks used to grind up seeds and such. They will peck at and swallow rocks but they aren't eating them, they are using them in their neck organ to grind stuff up.


Why do crocodiles have a lot of rocks in them?

They have rocks in them because it helps with digestion in their stomach.


What is the organ of Saturn's rings?

rocks


How do animals use rocks?

As birds have no teeth they swallow pebbles to use in their gizzards as grinders. Seals and sea lions will swallow rocks to use as ballast. Sea otters will use rocks as bashers to open up sea urchins and the like. Gull and Crows will drop nuts and shells on rocks to break them open.


Why does your box turtle eat lime rocks?

Aids digestion


What animal swallows rocks to aid in digestion?

sea lion


Why do some birds eat sand?

Many species of birds will swallow stones. These aid in digestion because they help grind items in their stomachs. These stones are called gizzard stones or gastroliths and are usually smooth and round from the polishing action in the animal's stomach. When too smooth to do their required work, they may be passed or regurgitated.


Do all birds eat rocks after they eat their seeds?

no,not necessary that all birds do the same...