My 3 month aged Chihuahua is white with a black spot near tail. She also contains a black ears, & black & white muzzle. At about 2 months she begun building black places or “freckles” all in the course of her white and on her white muzzle and belly. https://teacupchihuahuasforsale31086.wizzardsblog.com/30287072/5-essential-elements-for-chihuahua-puppies-for-free