OK, I haven't seen the one that is lying at my feet.
100 lbs, black, an engineered product of the Red Army...AKC recognized rare breed, and the sweetest most intelligent creature--
Black Russian Terrier
You should see Cleo count the chickens to make sure they are all there. She herds them when asked.
And when nasty Houdini attacked me, she guarded him away from me and ignored the hens. Houdini is only a hatchet away from chicken soup.