That would be the gizzard.
"Stones in the stomach" when they say this! .birds .deer, plant eaters are also included because they only have one stomach and it help crush their food. But this does not included cows they have two stomachs and they do not eat rocks but re chew they food it called chewing cud.
Plants release organic acids through their roots which can accelerate the breakdown of rocks into smaller particles. These acids can react with minerals in the rocks, releasing nutrients that plants can use for growth. Over time, this weathering process helps transform rocks into soil.
Two biotic interactions that take place in the Mono Lake ecosystem are shrimp eating microscopic algae and the birds eating the flies in the Mono Lake.
Living things in an estuary include fish, birds, crabs, and plants like seagrass. Nonliving things in an estuary include water, rocks, sediment, and sunlight.
Selenium is found in the Earth's crust and can be found in soil, water, and certain types of rocks. It is also naturally present in some foods, particularly in seafood, brazil nuts, and organ meats.
Birds swallow very small rocks that are used by their gizzards to grind their food.
They swallow rocks to help with digestion
There is only one species of emu. Emus swallow stones and pebbles to help their digestion.
No. Cows are not birds, they are mammals, they do not have a gizzard to store rocks in to help digest their food.
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.
"Stones in the stomach" when they say this! .birds .deer, plant eaters are also included because they only have one stomach and it help crush their food. But this does not included cows they have two stomachs and they do not eat rocks but re chew they food it called chewing cud.
They have rocks in them because it helps with digestion in their stomach.
Ostrich's eat stones to help them digest food. They have about two pounds of stones in their throat to use to break up their food since they have no teeth.
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.
rocks
Aids digestion
sea lion