What's wrong with crow feathers fluffy

The fluffy of the crow feathers is caused by cold weather.After the winter, you must pay attention to keep warm. Although the temperature will not freeze to death above 0 ° C, you should still pay attention to the windproof. You can cover the cage with a cage cloth, but leave the strip to stitch it.Daily feeding mainly choose some seeds, and use foods with high fat content, so as to improve its cold resistance.You can take a shower once a week, but you do n’t need warm water, otherwise it is easy to catch a cold. Wash it with cold water.