Kokoro-chan, a chihuahua puppy with heart-shaped markings, is presented to the media with father Heart-Kun at Pucchin Dog's Store in Odate, Akita, Japan. Heart-Kun is a who also was born with a perfect heart-shaped marking.
I Love all Dog Breeds: 5 of the healthiest dog breeds. This adorable puppy is an Australian Cattle Dog, and has a life expectancy of 29 years! Australian Cattle Dogs are prone to develop retinal atrophy, which eventually leads to blindness.