Border Collie/Blue Heeler mix.
Pistol, my beautiful Border Collie Heeler mix.
Find Momo | The playful adventures of a hiding border collie.
Prettiest puppy on Pinterest! German Shepherd/Collie mix
Border Collie red & white
Border collie mix puppy
Great Pyrenees/ Border Collie mix.
From reddit: So my brother just got a puppy! Border collie/German Shepard mix
Border collie / Blue heeler mix
Scout the Border Collie Mix...my dream dog! Scout is even the name I would give him/her!