1. Look at the feathers and wings of blackbirds now. The black wings of the male bird have obvious metallic luster, while the female bird has no or no obvious metallic luster.

2. Look at the beak, that is, the beak of the small beak. The darker the color, the greater the possibility of males. If it has a gray beak, it is a female.

3. Look at the bird's head. Its head is square. Seen from above, the male's head is wider.

4, standing posture, the general male bird, standing tall, standing straight, the female bird is more detailed.

5. The male's throat is bordered by brown feathers, and his mouth is red, so the snatch is powerful and more lively. The female bird has short legs and small eyes, soft eyes, light brown forehead and throat, reddish mouth, weak snatch and quiet. In the Bird's Nest, individuals compete for the most powerful, flexible and resilient male bird.

Extended data:

Living habits

They often run on the ground in small groups, and often go to garbage dumps and toilets to find food.

Before they perch on the branches, they often make short cries of "cheep, cheep", and their songs are loud and beautiful, and they are good at imitating the songs of other birds. Timid, sharp-eyed, sensitive to the outside world, frightened at night will fly away from the original habitat.

Mainly feed on insects. The food they eat is insects such as Lepidoptera larvae, geometridae larvae, stinkbug larvae, locusts, scarabs, beetles, walking insects and larvae of Diptera, Coleoptera and Orthoptera. Also eat fruits, such as camphor tree seeds (spit them out after eating), banyan trees and weed seeds.

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