Rare Breed

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

Animals. [2014-12-07]. （原始内容存档于2014-12-07）.  ENDANGERED SPECIES Rare White Rhino Dies, Breed Close to Extinction. Discovery News. 2014-10-20 [2014-10-20]

Wollschweinzüchter Österreichs. home.tele2.at. （原始内容存档于2008-04-07）.  （德文） Salvan breed of pig-like Hungarian Iberian – translated article. translate.google.com