Are both Jack Russell Terrier and Bullmastiff types of dogs?
Bullmastiff The Bullmastiff is a large-sized breed of domestic dog, with a solid build and a short muzzle. The Bullmastiff shares the characteristics of molosser dogs, and was originally developed by 19th-century gamekeepers to guard estates. The breed's bloodlines are drawn from the English Mastiff and the extinct Old English Bulldog. It was recognized as a purebred dog by the English Kennel Club in 1924. They are quiet dogs and very rarely bark.
Toy Group Toy Group is the name of a breed group of the smallest kinds of dogs, used by kennel clubs to classify a defined collection of dog breeds. "Toy Group" does not necessarily refer to one particular type of dog. Most major English-language kennel clubs include a "Toy Group" although different kennel clubs may not include the same breeds in their "Toy Group". The international kennel club association, the Fédération Cynologique Internationale, includes toy dogs in Group 9 "Companion and Toy Dogs", which is then further broken down into eleven "Sections" based on dog type and breed history.