Various colors of feathers. Dogs have two layers of fur: the outer layer as chungt1 we have seen, and the inner lining helps them keep warm, Shetland sheepdogs knowledge poster dry on cold days, even have the task of “cooling off” in the hot days.
When a puppy is born, it will close its eyes. After a month, it will open its eyes and start walking. At birth, dogs have no teeth but after 4 weeks of age, they can have 28 teeth. The complete jaws of this animal are 42 pieces.