British Cavy Council British Cavy Council The British Cavy Council is the governing body in the United Kingdom for national, regional, and local cavy (guinea pig) clubs, and also for the wide range of 'breed clubs' which exist on a national basis to further the interests of particular cavy breeds, and to provide a forum for those with an interest in the breed concerned. The Council is not itself a club or association - it is not possible, for example, to be a subscribing member, as it has only executive members. Most cavy 'fanciers' (people interested in breeding and showing purebred, or pedigree,
Rock cavy Rock cavy The rock cavy or mocó ("Kerodon rupestris") is a cavy species endemic to eastern Brazil, from eastern Piauí state to Minas Gerais state. It has been introduced to the oceanic island of Fernando de Noronha. The rock cavy is a fairly large rodent weighing up to , and like other species of cavies the tail is vestigial or absent. The dorsum is grey and the venter light brown. They are hystricomorphs, which means they have porcupine-like jaw muscles. The rock cavy belongs to the order Rodentia and the family Caviidae. This group has two subfamilies: Dolichotinae and Caviinae.