RareBreeds Survival Trust (RBST) A nonprofit charitible trust, the purpose of which is to conserve animal genetic resources... Its main concern is with the genetic resources contained in British rare breeds of large livestock; cattle, sheep, goats, pigs and horses.
American Livestock Breeds Conservancy (ALBC) The American Livestock Breeds Conservancy is a nonprofit membership organization working to protect over 180 breeds of livestock and poultry from extinction. Included are asses, cattle, goats, horses, sheep, pigs, rabbits, chickens, ducks, geese, and turkeys
The Sheep of St. Kilda A website dedicated to information about the Soay sheep that live feral on the islands of St. Kilda.
Soay Sheep Society Breed Society for British Soay Sheep (in the UK)