Pearl F. Semler, a 4-year-old Chihuahua from Florida, is only 3.59 inches tall, making her the world’s shortest dog. Reginald “Reggie” Johnson Reiss is a 7-year-old great Dane from Idaho who towers ...

The world's tallest and smallest dogs got together for a playdate. Reginald is a 7-year-old Great Dane who measures over 3 ...