Does the sparrow need hibernation?

Sparrows do not need hibernation.There are very few hibernation in birds. Most of the birds who cannot resist the cold are often migrated to the south before the winter. They are called migratory birds. Those who stay in the local area are birds staying, while the sparrows belong to birds.After winter, their feathers will swell, and there are a lot of air inside, so as to achieve the effect of insulation. They usually have very little activity and the amount of food is small.