How large is the world's biggest bunny? A Flemish giant rabbit weighs 20 pounds (9 kg)--as much as two cats. The supersized rabbits were first raised in a region called Flanders, which is now part of Belgium, more than 150 years ago. Today, they are kept as pets all over the world. Even though they are extremely large, these big bunnies love to cuddle with their owners--and sometimes even with the family dog In Flemish Giant Rabbit: The World's Biggest...