They become walking works of art. Their colors run the gamut—from classic white, brown, and black to rarer shades like brindle and sable—and all these hues can mingle with merle patterns for a coat ...

Blue Brindle Bully- This coloring is rare due to it possessing two different sets of recessive genes. The colored Blue Bully shows off a stunning stripe pattern. Both parents would need to pass on the ...