I really doubt she's a yorkie x rotti mix. Lots of dogs have that black and tan colouring: yorkies, miniature pincers, a wide variety of hounds, dachsunds, just off the top of my head.
It's so hard to tell at that age. Puppies, like babies, tend to all look alike. It'll be more obvious as she matures.
It's so hard to tell at that age. Puppies, like babies, tend to all look alike. It'll be more obvious as she matures.