Hundar eru af ýmsum stærðum og gerðum en allir tilheyra þeir sömu tegundinni Canis lupus familiaris.
Faraó-hundar eru gamalt hundakyn. Þeir eru upprunalega frá Egyptalandi en bárust þaðan til Möltu þar sem þeir eru í hávegum hafðir.
- Clutton-Brock, Juliet (1999). A natural history of domesticated (2 útg.). Natural History Museum (London, England): Cambridge University Press.
- Ovodov, N. (2011). A 33,000-year-old incipient dog from the Altai Mountains of Siberia: Evidence of the earliest domestication disrupted by the Last Glacial Maximum. PLoS ONE 6:7.
- Thalmann, O. o.fl. (2013). Complete Mitochondrial Genomes of Ancient Canids Suggest a European Origin of Domestic Dogs. Science 342 (6160): 871–4.
- Parker, H. G. o.fl. (2004). Genetic Structure of the Purebred Domestic Dog. Science 304 (5674): 1160–4.
- Mynd af nokkrum hundakynum: Dog morphological variation.png - Wikimedia Commons. Birt undir Creative Commons Attribution-Share Alike 4.0 International leyfi. Höfundur: Mary Bloom. (Sótt 11. 10. 2016).
- Mynd af kanadískum sleðahundum: Canadian Eskimo Dog - PetGuide.com. (Sótt 11. 10. 2016).
- Mynd af faraó-hundum: Pies faraona e34 corected parka.jpg - Wikimedia Commons. (Sótt 12. 10. 2016).
- Mynd af dingó: Dingo-northern-2.jpg - Wikimedia Commons. (Sótt 12. 10. 2016).