Guinness World Records shared video from the historic meeting between the world's tallest living dog -- standing 3 feet, 3 inches tall -- and the world's shortest dog, who stands at 3.59 inches tall.

A maternal instinct clearly kicked in for little Chloe, a Chihuahua mix, when her mom brought home a pair of kitties. Upon ...

Despite their 3ft height difference, the pair got on like a house on fire - and thankfully, Reggie was gentle with this new ...