World s Smallest Dog vs World’s Tallest Dog (Photos)

World s Smallest Dog vs World’s Tallest Dog. Meet Guinness World Record holder for world’s smallest living dog, Boo Boo, a 4-inch-high long-haired Chihuahua n New York City’s Central Park Showdown.

BooBoo measures 0.1 metre tall from ground to shoulder, and weighs 680 gr.Giant George Great Dane Snopes – ‘Giant George,’ a 7-foot-3 long, 245-pound Blue Great Dane from Tucson, Ariz.When you measure 7-foot-3 from snout to tail and you’re the biggest dog in history. “George eats 110 pounds of food a month.George stands three-and-a-half feet tall at the shoulder. His owner, Dave Nassar of Tucson, Arizona, says George sleeps in his own queen-size bed.