Hi, I'm not sure about WGSDs but I do know that other GSDs have different color hair on their coats.. like my pup is black & tan, but he has some silver too (underbelly & tail).. how did u manage to COUNT the hair? LOL!
Jaeger's mom was a typical black and tan shepherd and his dad was a longer haired white shepherd. Jaeger is turning out a pretty sable but he has his daddy's butt! His behind has long, feathery cream-colored hair, lol. I guess you never know how those genes are going to mix!