Derby is so cute and certainly looks yorkie to me.
Derby is one week younger than our Marlee Grace (born 6/16). Her left ear stood up after I shaved both ears w/ clippers. A week later, I had her second set of shots and both ears drooped! I have decided to hold off on taping for now, perhaps until after her last set of shots and rabies. Remember our babies are teething and that will make a huge difference.
With my other yorkie I taped and it worked great, but waited to see if she would do it on her own.
I love YT, it is a great source for yorkie info!
Welcome!