Watch list of the Rare Breeds Survival Trust Watch list of the Rare Breeds Survival Trust The Watch list of the Rare Breeds Survival Trust is a listing of rare and native United Kingdom breeds of domestic cattle, sheep, pigs, horses, goats and poultry, compiled by the Rare Breeds Survival Trust. Mammalian farm breeds are classified into five levels of endangerment, based on the number of breeding females. The five classes are: Poultry – chickens, ducks, geese and turkeys – are not categorised by degree of numerical rarity; some are classified as "priority breeds". In 2017, the watch-listed cattle breeds were: The other native breeds listed were the
Chicken breeds recognized by the American Poultry Association with both a rose comb and featherless legs: The breeds of this class have feathering on their legs and feet: This class includes all of the breeds that do not fall into any of the other classes: Chicken breeds recognized by the American Poultry Association All chicken breeds recognized by the American Poultry Association are categorized into classes. Standard-sized breeds are grouped by type or by place of origin; bantam breeds are classified according to type or physical characteristics. The large breeds are divided into six classes – American, Asiatic, Continental, English, Mediterranean, and All Other Standard Breeds – largely