Doggie Duggars! World's Most Massive LittersThese prolific pooches are giving Michelle and Jim Bob a run for their money

ARIEL THE LEONBERGER

Litter Count: 18
Why so happy? With the November 2009 birth of her 9 male and 9 female pups, Ariel set a new record for largest number of surviving Leonberger puppies in a litter.