Why can't the picked the sparrow be relieved

The picked sparrows are wild, and the wildness is relatively large. After being arrested, a stress reaction will be generated, and the environment and food will be confused, so they will not live.It is a bird of the genus Bird's sparrow. There are about 27 varieties. The size of these varieties is very close. It has brown or black mixed spots on the body. The mouth is short and strong.There are 5 types of my country, which are very widely distributed and have a relatively complicated food nature. In addition to eating insects during the reproduction period, grains are eaten at other times.