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The tongue of a Chow Chow is blue-black.
Chow Chow is originally from China, the Chow Chow’s name in Chinese is Songshi Quan and means “puffy-lion dog.” Chow is one of the oldest breeds of dogs, Chow Chows are known for their bluish-black tongues and gums. At birth, a Chow Chow’s tongue and gums are pink, but after a few weeks they take on the bluish-black color.
