Brachygnathism (parrot mouth), stallion
Brachygnathism (parrot mouth), stallion
Brachygnathism (parrot mouth), stallion

    Brachygnathism (parrot mouth) is evident in this photograph of a stallion. The marked overbite is the result of the mandible and maxilla being unequal lengths.

Courtesy of Dr. Lisa Pearson.