Rare Breed

此種羊全身黑色，但常有白斑（稱為「Cocktail」），罕有白色。母羊無角，公羊有長達1公尺的角。此種是毛用羊。 Arapawa Sheep: A Rare Breed of New Zealand Origin. Rare Breeds Conservation Society. [2009-05-13].  Arapawa Island

Science. [27 April 2024]. （原始内容存档于2018-05-31）.  Cheviot description as a rare breed in Australia American Cheviot Society The United Kingdom Cheviot Sheep

種狗被列入加那利群島象徵的官方名單，作為大加那利島的象徵。 澳大利亞和紐西蘭、馬來西亞禁止進口和銷售該品種。 "Killer Dog Sparks Interest in Rare Breed". ABC News. 7 January 2006. Retrieved 29 August 2018.

Mah, Bill. Edmonton footbridge nearing completion part of a rare breed. Edmonton Journal. Postmedia Network. April 15, 2016 [October 21, 2016]

Dog Breed More Rare Than The Giant Panda Falls To Record Low. www.thekennelclub.org.uk. [2018-05-05]. （原始内容存档于2019-08-24） （英语）.  Bobby breed 'facing