Bullmastiff and Dogue puppies — equally cute!
Bullmastiff and Dogue puppies — equally cute! Dogue photo by Sanna Sander.
At first glance, the Bullmastiff and Dogue de Bordeaux might seem very similar. Which makes their many differences all the more important.
America's most famous -- and richest -- family also bred some of the first Bullmastiffs in the United States.

Two Bullmastiffs lived at Colonial Williamsburg in the early 1940s, presumably guarding the restored colonial village. Did they patrol its perimeter as their brethren did farther north for the Rockefeller family?
In the 1940s, two Rockefeller-bred Bullmastiffs arrived at this colonial town as a canine anachronisms.
Did the Rockefeller family and early Bullmastiff breeder John Cross ever cross paths? Not likely.

The 1948 Associated Press story that created some confusion about which Pocantico was which.
John D. Rockefeller registered his Bullmastiffs under the Pocantico prefix – a very logical choice, since it was the name of the estate on which they were bred.   But by the late 1940s, another Bullmastiff breeder had taken on that name – and didn’t do much to dispel the Rockefeller mystique...
Bifid, or split noses, surface occasionally in Bullmastiffs
Bifid noses – also called "double," "split" or "cleft" noses – are undesirable in Bullmastiffs and other breeds, not least of all because they have been associated with more serious midline defects like cleft lip and palate.
Anne Colliass, daughter of the late Harry and Beryl Colliass, has been an integral part of the Oldwell Kennels in the U.K. for much of her life. Here, she talks about her family legacy, setting priorities in breeding programs, and advice she'd give to those starting out in Bullmastiffs today.  
Kay Reil of Bramstoke Bullmastiffs reminds that timing is everything when rearing young Molossers: Early socialization is a must.
Early Bullmastiff Osmaston Turk
A splendid specimen. Osmaston Turk. Weight 120 lbs. Dam, Old Nell, half Bloodhound, half Mastiff. Owned by Mr. Biggs.
Originally appearing in 1911, this article argues the virtues of the fledgling Bull-Mastiff, even as the Mastiff was on the wane.
Bullmastiff puppy with taped ears
Bullmastiff puppy with taped ears. Photo: Pieter Brepoels
“Flying nun ears” usually appear at four to six months, around the same time a Bullmastiff puppy begins teething. Warning: If not fixed in time, they might stay that way.