Black Trindle French Bulldog. Typically when a French Bulldog looks abnormal its because of breeding issues. Black brindle bulldogs can have strips of light hair color from very light brown and white even non-existent to brown and rusty.

Then there is the marking on their coats as follows. 9112019 French Bulldog Coat Colors. Bronco Trindle black and tan boy.
Then there are the rarest colors including.
A French Bulldog is considered black if the coat color is solid without any signs of brindle which is rare. Exotic French Bulldog Colors and Patterns. Basically a dark French Bulldog color mixed with lighter hair color patterns. Black Bulldogs are the most common of the 4 Rare Colors in AKC English Bulldogs.