Smokey - Smokey is a very sweet, mellow, yet playful, 6 year old sheltie, 17 to 18 inch blue merle with tipped ears. (sheltierescuetx.org)
Buddy is a sweet, 9 year old blue merle sheltie that recently came to us because of changes in his family. (sheltierescuetx.org)
In 1840, cattle farmer Thomas Hall decided to crossbreed blue merle dogs, probably of the Collie or Old English Sheepdog type, with tamed dingoes. (animalwised.com)