Tham khảo Lừa_vằn

  • "Zorse Breed Description". Breeding References. EquinePost. Archived from the original on 2011-07-10.
  • Carter, Helen (27 June 2001). "Crisis-hit farm welcomes its gift forse". The Guardian (London). Retrieved 20 April 2010. it could be a zorse perhaps, a fony or maybe a shebra or a zetland. Whatever its name, the arrival of the strange beast has been hailed as a godsend
  • Megersa, B; Biffa, D; Kumsa, B (13 February 2007). "A mysterious zebra-donkey hybrid (zedonk or zonkey) produced under natural mating: A case report from Borana, southern Ethiopia". Animal Production Research Advances 2 (3). doi:10.4314/apra.v2i3.36328.
  • Benirschke, K; Low, RJ; Brownhill, LE; Caday, LB; Devenecia-Fernandez, J (1 April 1964). "Chromosome Studies Of A Donkey-Grevy Zebra Hybrid". Chromosoma 15: 1–13. doi:10.1007/BF00326911. PMID 14171168.
  • K. Benirschke, et. alia (1964). "Chromosome Studies of a Donkey-Grevy Zebra Hybrid". Chromosoma 15 (1): 1–13. doi:10.1007/BF00326911. PMID 14171168.
  • Darwin, Charles (2009). On the origin of species, 1859. New York: New York University Press. pp. 118–119. ISBN 978-0814720585.
  • Wonders of Animal Life, edited by J A Hammerton (1930)
  • "Colchester Zoo mourns the loss of Shadow the Zeedonk" (Press release). Colchester Zoo. 3 April 2009.
  • "The Enchanted Forest". Groombridge Place Gardens.
  • "Meet Eclyse - the amazing zebra crossing". Mail Online (London: Associated Newspapers Ltd). 28 June 2007. Retrieved 10 July 2008.
  • "Call it zonkey or a deebra? Zebra has a foal sired by a donkey". MSNBC. Associated Press. 29 Apr 2005. Retrieved 13 October 2008.
  • Amanda Billner. "Zebran är en häst" (bằng tiếng Thụy Điển). Dagens Nyheter's webpage, 28 June 2007. Retrieved 30 June 2007.
  • BBC "Half horse, half zebra - hebra Retrieved 3 July 2007]
  • "Zebra, donkey hybrid born in Dahlonega". Gainesville Times. 27 July 2010.
  • "Donkra: Cross between Donkey, Zebra born". 3 News. 5 July 2011.
  • "It’s a zonkey! Zebra and donkey hybrid born in Italy". Daily News (New York).
  • "Zonkey born in a zoo in Mexico". The Telegraph. 25 April 2014. Retrieved 26 April 2014.
  • http://awoiaf.westeros.org/index.php/Zorse
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