Reggie, a 7-year-old Great Dane who stands at a staggering 3 feet 4 inches, and Pearl, a 4-year-old Chihuahua who measures in ...

Guinness World Records shared video from the historic meeting between the world's tallest living dog -- standing 3 feet, 3 ...

When both dogs are walking, Pearl, a 9.14-centimeter (3.6-inch) tall chihuahua, barely reaches the top of Reggie’s paw, such ...

Teacup-sized canines like Chihuahuas and Yorkies are often treated like human babies, complete with strollers and papooses.