Crows have reproduced several times a year

Pine aphids can be reproduced once a year.The breeding period of this bird is from April to July. Usually, the birds will camp on the trees near the stream or the banks of the river. The nest is cup-shaped, mostly composed of dead branches, grass, moss, etc.After the nest is built, the birds will start eggs. Usually, each nest will produce 3-10 pieces. The color is gray-blue, green or gray-yellow. After about 17 days of incubation, the young bird will break the shell.