Pigeons eat sand to help wear away food and promote digestion. In addition, it is believed that these things also contain certain mineral elements, which are good for the health of pigeons. Because pigeons have no teeth, they need to eat sand to digest food in their stomachs. Pigeons can't live without sand Pigeons eat gravel not only to supplement the trace elements needed by the body, but also to speed up the digestion of food.
pigeon
Pigeon (Latin name: Columba) is a very common bird, with many varieties, which are widely raised all over the world. Pigeons are the collective name of hundreds of kinds of pigeons.
Feathers are gray, sauce purple, white and so on. It has big wings and is good at flying. Food is the seed of cereal plants. Pigeons have lived with humans for thousands of years. The first pigeon image discovered by archaeologists came from Mesopotamia in 3000 BC, which is now Iraq.
It is generally believed that the original pigeon is the ancestor of the domestic pigeon, and there are many reports about the wild domestic pigeon, so the relationship between the domestic pigeon and the original pigeon is very close. Domestication of pigeons began in Europe, and there were records about domestication and raising pigeons as early as Greek and Roman times.
Refer to the above contents: the formula of sogou-pigeon health sand.