What kind of bird is this? Let go, okay?

Yellow bird, alias goldfinch, reed yellowbird, yellowbird. Scientific name: Carduelis? Pinus. Mainly belong to Passeriformes, Passeriformes, Passeriformes (including Echinoceros), distributed all over the world. Very small (1 1.5cm) birds. It is characterized by a short mouth and striking black and yellow stripes on its wings. The crown and chin of adult male birds are black, and the head side, waist and tail base are bright yellow. The female bird is dark with many vertical stripes, and the crown and chin are not black. Young birds are female-like, but the brown is heavier and the wing spots are orange. It breeds in Daxinganling, northeast of China, and occasionally reaches Jiangsu Province. It is found in the eastern part of China during migration and overwinters in the coastal areas of Taiwan Province Province, Tibet, the lower reaches of the Yangtze River, South China and East China.

This is a gregarious bird, which is completely suitable for release.