Color

From brindle to black, formentino to fawn, the Cane Corso's beauty is expressed in many shades.
Paging Gregor Mendel ... An easy-to-decipher explanation of the genetics of the brindle pattern in the Bullmastiff.
When it comes to white markings in the Dogue de Bordeaux, there are lots of shades of gray. 
In recent years, black has become the most desirable color in the Cane Corso, spurred by everything from pet- buyer preferences to ear-cropping bans.

One thing everyone agrees on: This is "unauthorized" white, according to the Dogue standard. Photo: Sanna Sander.
A recent dust-up about American judges disqualifying a Dogue for white on the chest suggests that the breed standard could use some clarification.
Black mask Dogue
Black-nose Dogues de Borsdeaux are mistaken for Bullmastiffs, and the color may one day disappear from the breed due to lack of interest and appreciation.
White Tibetan Mastiff
We plumb the debate over this unusual color of Tibetan Mastiff.

Developed as an all-purpose farm dog, the Boerboel is strong boned and confident.
Are black Boerboels a rare color that needs preservation, or evidence of crossbreeding? The debate about this rustic South African Molosser rages on. 
Color has become a point of controversy in Tibetan Mastiffs in recent years. Here, a U.S. breeder discusses the genetics behind the various hues – and cries.