Rock cavy The rock cavies belong to the subfamily Caviinae along with the guinea pig, desert cavy, and cuis. Rock cavies are found in dry, rocky areas with low, scrubby vegetation, and they like to reside close to stony mountains and hills. In appearance and habits they closely resemble the unrelated rock hyrax of Africa (an example of convergent evolution). They usually shelter in crevices. They are reportedly seen at day and night, but are most active at dawn or dusk. Animals most active at this time are known as crepuscular. Studies show that there is a direct link between the retina
Animal fancy the keeping of animals considered exotic pets; a rapidly growing example is herpetoculture, the keeping of reptiles and amphibians. Some examples of international animal fancy organizations are: For many species of domesticated animal there are no international groups, but numerous unrelated national organizations, e.g. the American Poultry Association, and the New Zealand Cavy Club. They may commingle the interests of keepers of pet and show animals, and breeders of livestock and working animals (e.g. the British Horse Society), or focus on one or the other (e.g. the British Show Horse Association). For some species, there are few multi-breed organizations, but