What is the American bulldog?

Answer:
The American Bulldog is a breed of domestic dog (Canis lupus familiaris). Through larger in size, they are hte closest surviving relative fo the Old English Bulldog. Have been known to have different colored irises, also known as, Heterochromia.
First answer by Baileyrberg. Last edit by Baileyrberg. Contributor trust: 2 [recommend contributor recommended]. Question popularity: 1 [recommend question].