Pughasa

Do Terriers have Underbites?

Common Dog Breeds with Underbites. It's possible for any breed of dog to develop an underbite, but it's much more common in certain breeds. Small breeds such as the Boston terrier, Pekingese, French bulldog, English bulldog, King Charles spaniel, pug, Lhasa apso and shih tzu are commonly observed developing underbites.