The Essentials of Canine Nutrition: Amino Acids and Other Nutrients". www.thewildest.com . Retrieved 15 June 2023. Striped Hyaena Hyaena (Hyaena) hyaena (Linnaeus, 1758)". IUCN Species Survival Commission Hyaenidae Specialist Group. Archived from the original on 28 September 2007 . Retrieved 21 May 2008. Heidenberger, E; Unshelm, J (February 1990). "Changes in the behavior of dogs after castration". Tierärztliche Praxis (in German). 18 (#1): 69–75. ISSN 0303-6286. PMID 2326799.

Miklósi, Adám (2007). Dog Behaviour, Evolution, and Cognition. Oxford University Press. pp.95–136. doi: 10.1093/acprof:oso/9780199295852.001.0001. ISBN 978-0-19-929585-2. Chiodo, Paula; Basualdo, Juan; Ciarmela, Laura; Pezzani, Betina; Apezteguía, María; Minvielle, Marta (2006). "Related factors to human toxocariasis in a rural community of Argentina". Memórias do Instituto Oswaldo Cruz. 101 (#4): 397–400. doi: 10.1590/S0074-02762006000400009. PMID 16951810. Ayzirek Imanaliyeva (13 August 2020). "Fighting COVID in Kyrgyzstan: Dog fat, ginger and bloodletting". Eurasianet . Retrieved 11 December 2020. The Aboriginal Tasmanians, who were separated from Australia before the arrival of dingos on that continent Tierney, DM; Strauss, LP; Sanchez, JL (2006). "Capnocytophaga canimorsus Mycotic Abdominal Aortic Aneurysm: Why the Mailman Is Afraid of Dogs". Journal of Clinical Microbiology. 44 (#2): 649–651. doi: 10.1128/JCM.44.2.649-651.2006. PMC 1392675. PMID 16455937.

Root-Kustritz MV (December 2007). "Determining the optimal age for gonadectomy of dogs and cats". JAVMA. 231 (#11): 1665–1675. doi: 10.2460/javma.231.11.1665. ISSN 0003-1488. PMID 18052800. S2CID 4651194. See also: Dog behavior §Behavior compared with other canids Dog swimming over to catch a ball, pay attention to the leg and tail movements Korea dog meat campaigners accused of hypocrisy". The Straits Times. Agence France-Presse. 27 December 2017. a b McNicholas, June; Gilbey, Andrew; Rennie, Ann; Ahmedzai, Sam; Dono, Jo-Ann; Ormerod, Elizabeth (2005). "Pet ownership and human health: A brief review of evidence and issues". BMJ. 331 (#7527): 1252–1254. doi: 10.1136/bmj.331.7527.1252. PMC 1289326. PMID 16308387. Lea, Stephen E. G.; Osthaus, Britta (2018). "In what sense are dogs special? Canine cognition in comparative context". Learning & Behavior. 46 (4): 335–363. doi: 10.3758/s13420-018-0349-7. PMC 6276074. PMID 30251104.

Cardigan Welsh corgi, Pembroke Welsh corgi, Sealyham terrier, Welsh springer spaniel, Welsh terrier a b Berns, G.S.; Brooks, A.M.; Spivak, M. (2012). Neuhauss, Stephan C.F (ed.). "Functional MRI in Awake Unrestrained Dogs". PLOS ONE. 7 (#5): e38027. Bibcode: 2012PLoSO...738027B. doi: 10.1371/journal.pone.0038027. PMC 3350478. PMID 22606363.van der Beek S, Nielen AL, Schukken YH, Brascamp EW (1999). "Evaluation of genetic, common-litter, and within-litter effects on preweaning mortality in a birth cohort of puppies". Am. J. Vet. Res. 60 (#9): 1106–1110. PMID 10490080.

As humans became more sophisticated, so did their dogs. Eventually, there emerged specific breeds of dogs, custom-bred to suit the breeders’ local needs and circumstances. The Greyhound, for instance, was the foundation type for the immense Irish Wolfhound and the dainty Italian Greyhound. All three have a distinct family resemblance, but you’d never mistake one for another. Smith, Cheryl S. (2008). "Chapter 6: Omnivores Together". Grab Life by the Leash: A Guide to Bringing Up and Bonding with Your Four-Legged Friend. John Wiley and Sons. p.77. ISBN 978-0-470-17882-9.Jones, Arthur F.; Hamilton, Ferelith (1971). The world encyclopedia of dogs. New York: Galahad Books. ISBN 978-0-88365-302-9. O'Neill, D.G.; Church, D.B.; McGreevy, P.D.; Thomson, P.C.; Brodbelt, D.C. (2013). "Longevity and mortality of owned dogs in England" (PDF). The Veterinary Journal. 198 (3): 638–643. doi: 10.1016/j.tvjl.2013.09.020. PMID 24206631. Irish setter, Irish red and white setter, Irish water spaniel, Irish wolfhound, Irish terrier, Kerry blue terrier, soft-coated wheaten terrier Individual Pacific islands whose maritime settlers did not bring dogs, or where dogs died out after original settlement, notably the Mariana Islands, [95] Palau [96] and most of the Caroline Islands with exceptions such as Fais Island and Nukuoro, [97] the Marshall Islands, [98] the Gilbert Islands, [98] New Caledonia, [99] Vanuatu, [99] [100] Tonga, [100] Marquesas, [100] Mangaia in the Cook Islands, Rapa Iti in French Polynesia, Easter Island, [100] the Chatham Islands [101] and Pitcairn Island (settled by the Bounty mutineers, who killed off their dogs to escape discovery by passing ships). [102]