Basir was the prototypical Cane Corso, the dog on which the modern standard was based. But his story also explains why the breed has had such difficulty with consistency and standardization.
Modern Molosser queries some specialists and breeders from around the world.
As this South African mastiff becomes recognized by the American Kennel Club, a primer on the fine points of the breed.

Photo by Nina Södergren
Proposed changes to the AKC Tibetan Mastiff standard prompt impassioned debate.
After the Cane Corso’s AKC ring debut, the ups and downs.
The proposed FCI standard is an attempt to fine-tune certain aspects of breed type that define the Mastino, particularly in terms of head and body proportions.