Is the sparrow afraid of cold?

Although the sparrow is more afraid of cold, it has a certain way of keeping warm.Usually in winter, the feathers of this bird will become very fluffy, which can form a thicker warming layer to avoid frozen.However, it is best to put the birds in the room without wind, so that the winter will be safer.At the same time, it is also necessary to feed the seeds of oil plants, which is also conducive to improving its cold resistance.