Old people, crows, birds and pomfrets. All or most feathers are black. Most of them nest in big trees with trunks. Individuals are larger, often flying around in groups singing, and their voices are hoarse. Omnivorous cereals, insects, etc. The advantages outweigh the disadvantages and belong to the beneficial bird.

It mainly inhabits low mountains, plains, mountain broad-leaved forests, mixed coniferous forests, coniferous forests, secondary forests, artificial forests and other forest types, especially sparse forests and forest margins. Mostly resident birds. Strong clustering, a group can reach tens of thousands of people. Communities in forests or fields are birds in forests and grasslands, and most of them nest in trees.

Mainly foraging on the ground, the gait is stable. In autumn and winter, except for a few species, they often nest in groups and live together.

Extended data:

Crows are omnivores, eating grains, berries, insects, carrion and eggs of other birds. Many species, such as carrion, are harmful to seedlings and grains. However, in the process of reproduction, small vertebrates, locusts, crickets, turtles and moth larvae are mainly raised, which is beneficial to agricultural production. In addition, because I like to eat and peck at agricultural garbage, I can eliminate environmental pollution such as animal carcasses and purify the environment.

Crows are found almost everywhere in the world except South America, New Zealand and Antarctica. Bald-nosed crows, western Western jackdaw crows and big-billed crows are more common in China.

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