Introduction of sparrow

Sparrows are all birds, similar in size and body color. Generally, the upper body is brown and black, so it is commonly known as sparrow. There are 9 primary flight feathers, and the light-colored feather edges of the outer flight feathers are slightly enlarged at the base and proximal end of the feathers, and slightly cross into two horizontal spots, especially during flight. The mouth is short, thick and strong, conical, and the top is slightly curved. There is no gap between your mouth and mouth when you shut up.

Extended data:

Life habits of sparrows:

Sparrows are omnivorous birds, which feed on the seeds of Gramineae plants in summer and autumn, and the larvae are mainly insects that harm Gramineae plants, mostly Lepidoptera pests. In winter and early spring, sparrows feed on weeds and seeds of wild gramineous plants, and also eat all kinds of food discarded by human beings. Habitat in residential areas and near fields. Foraging around during the day, the range of activities is within 2.5-3 kilometers.

Reference source: Baidu Encyclopedia-Sparrow