Black tan - https://guineapigsandy.com/all-about-guinea-pigs/articles/black-tan/
Surely at the first glance at a representative of this breed, you will remember such dogs as Dobermans or, for example, Rottweilers. And not without reason, because the black tans have the same adorable red tummy. Moreover, in addition to a red tummy, they have a partially stained reddish nose, red circles around the eyes and funny markings behind the ears of the same color. In general, the color of this breed is very, very interesting.
Guinea pigs of this color are still quite rare both in the vastness of our vast homeland, but rarely, and in European countries. In this regard, the breed is not officially