My three month old Chihuahua is white with a black location near tail. She also features a black ears, & black & white muzzle. At about two months she started off creating black places or “freckles” all all through her white and on her white muzzle and abdomen. Cite https://teacup-chihuahuas-for-sal83714.full-design.com/the-definitive-guide-to-chihuahua-puppies-white-72932982