Charadrius dubius is a small cider bird with a total length of about 16 cm, and its upper body is sandy brown and white in the lower body. It has an obvious white collar, with a clear black collar under it. The posterior white spots extend back to the top of the head. One or two pairs of activities, walking very fast during activities, often looking for food while walking, accompanied by a monotonous and delicate voice. Usually, after a short run, a short stop and then go forward.

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