They have ensured breed purity with pedigrees and ear tattoos which exclusively include a Z along with an individual number.
Enderby Island Rabbits are mainly silver-grey in colour, with an undercoat of dark slate-blue.
Because of a recessive gene, a small proportion of the rabbits are born cream or beige in colour.
Kits are born black or cream then silver ticking develops at puberty.
Coat colours are described as Champagne to slate (light to dark silver) and creme.