Jasper, a Chihuahua mix, has a neurological condition that causes the muscles in his face to pull back as if he is smiling, according to a Facebook post by the California shelter. The mysterious ...

A dog who has a rare condition that makes him look as if he's constantly smiling is searching for his forever home. Jasper, a Chihuahua mix, lives at the Front Street Animal Shelter in Sacramento ...

Jasper, an eight-pound Chihuahua mix, is gifted or cursed with a constant smile. He can play like the rest of them and give you snuggles too, but what really captures everyone's heart, is his smile.