Southern Rocky Mountain wolf

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Southern Rocky Mountains wolf

Illustration based on a description by Edward Alphonso Goldman
Conservation status
Extinct (1935) (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Carnivora
Family:	Canidae
Genus:	Canis
Species:	C. lupus
Subspecies:	†C. l. youngi
Trinomial name
†Canis lupus youngi Goldman, 1937^[1]

Historical and present range of gray wolf subspecies in North America

The southern Rocky Mountain wolf (Canis lupus youngi) is an extinct subspecies of gray wolf which was once distributed over southeastern Idaho, southwestern Wyoming, northeastern Nevada, Utah, western and central Colorado, northwestern Arizona (but north of the Grand Canyon), and northwestern New Mexico. It was a light-colored, medium-sized subspecies closely resembling the Great Plains wolf (C. l. nubilus), though larger, with more blackish-buff hairs on the back.^[2] This wolf went extinct by 1935.^[3] Wolves of the subspecies Canis lupus occidentalis have now been reestablished in Idaho and Wyoming.

Taxonomy

This wolf is recognized as a subspecies of Canis lupus in the taxonomic authority Mammal Species of the World (2005).^[4]

A 2005 study compared the mitochondrial DNA sequences of modern wolves with those from 34 specimens dated between 1856 and 1915. The historic population was found to possess twice the genetic diversity of modern wolves,^[5]^[6] which suggests that the mDNA diversity of the wolves eradicated from the western U.S. was more than twice that of the modern population. Some haplotypes possessed by the Mexican wolf, the Great Plains wolf, and the extinct Southern Rocky Mountain wolf were found to form a unique "southern clade". All North American wolves group together with those from Eurasia, except for the southern clade which forms a group that is exclusive to North America. The wide distribution area of the southern clade indicates that gene flow was extensive across the recognized limits of its subspecies.^[6]

References

^ Goldman, E.A. (1937). "The wolves of North America". Journal of Mammalogy. 18 (1). Dover: 37–45. doi:10.2307/1374306. JSTOR 1374306.
^ Glover, A. (1942), Extinct and vanishing mammals of the western hemisphere, with the marine species of all the oceans, American Committee for International Wild Life Protection, pp. 227-229.
^ Bergman, C. (2003). "10 - Partial List of Extinctions". Wild Echoes: Encounters with the Most Endangered Animals in North America. University of Illinois Press. p. 256. ISBN 0-252-07125-5.
^ Wozencraft, W. C. (2005). "Order Carnivora". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. pp. 575–577. ISBN 978-0-8018-8221-0. OCLC 62265494. url=https://books.google.com/books?id=JgAMbNSt8ikC&pg=PA576
^ Miklosi, Adam (2015). Dog Behaviour, Evolution, and Cognition. Oxford Biology (2 ed.). Oxford University Press. pp. 106–107. ISBN 978-0199545667.
^ ^a ^b Leonard, Jennifer A.; Vilà, Carles; Wayne, Robert K. (2004). "FAST TRACK: Legacy lost: Genetic variability and population size of extirpated US grey wolves (Canis lupus)". Molecular Ecology. 14 (1): 9–17. doi:10.1111/j.1365-294X.2004.02389.x. PMID 15643947. S2CID 11343074.

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