Breed with blue tongue, oldest known, unclear relation. Shares ancestor with next breed.
Chinese breeds like Shar Peis and Chow Chows have wrinkled skin and dark tongues. They may be descended from Tibetan wolves, so don't mock them for their unique features!
pink with blue/black splotches is common. Some have completely blue tongues. These guard dogs may have blood spots from past intruders.
Rare blue tongues in German Shepherds have harmless pigment concentrations. Born with them is fine; consult a vet if they form later.
Affectionate with family, reserved with strangers. Spotted tongues like Chow Chows. Rare blue tongues, but splotches common. Familiar face? Tongue in yours!
Huge pooches lack blue tongues but have prominent spots. They may have descended from Tibetan wolves, which raises questions about their tongue color.
pink tongues common, some have blue. Hard-working dogs, tongues out often.
Rare Jindo dogs from Korea are excellent hunters and form strong bonds with owners. Blue-tongued ones greet you with a close-up view.