Some North American „Subspecies“ of the Gray Wolf (Canis Lupus, see also the photo album):
 

Name	Scientific name	Short description
Kenai Peninsula  Wolf	Canis lupus alces	These wolves lived in Alaska and were very big, but the became extinct.
Melville Island Wolf	Canis lupus arctos	This is a white wolf that lives only on a few islands between Melville Island and Ellesmere Island. (in the Arctic)
Mexican Wolf	Canis lupus baileyi	The smallest North American wolf. These wolves live in the Sierra Madre.
Newfoundland Wolf	Canis lupus beothucus	A wolf species with a white fur, became extinct.
Banks Islands Tundra Wolf	Canis lupus bernardi
British Colombian Wolf	Canis lupus columbianus	One of the biggest wolf species. They may weigh more than 60 kilogram. They live in British Columbia and they are grey or black.
Vancouver Island Wolf	Canis lupus crassodon	These wolves furs are grey or black.
Cascade Mountains Wolf	Canis lupus fuscus	This is a wolf with a brown fur, and in the past it was called the "brown wolf". We do not know if this wolf still exists.
Hudson Bay Wolf	Canis lupus hudsonicus	These wolves live near the Hudson Bay, in the winter their fur is white.
Northern Rocky Mountain Wolf	Canis lupus irremotus	This is quite a big wolf that lives between the Rocky Mountains and Southern-Alberta (Canada). The scientists are not sure if this species became extinct in the USA or not.
Labrador Wolf	Canis lupus labradorius	They live in Northern Quebec and Labrador, their fur is grey or white.
Alexander Archipelago Wolf	Canis lupus ligoni	This species is quite small. The wolves are dark grey or even black.
Eastern Timber Wolf	Canis lupus lycaon	This is the species with the biggest circulation area. These wolves live in the USA, even in Florida and Minnesota. Their fur has different colours.
Baffin Island Tundra Wolf	Canis lupus manningi	The smallest of the arctic wolves. They live on Baffin Island.
Mogollon Mountain Wolf	Canis lupus mogollonensis	This species became extinct. They lived in Arizona and New Mexico, and their fur was dark.
Texas Grey Wolf	Canis lupus monstrabilis	This species became extinct, too. These wolves were small and they lived in Texas.
Great Plains Wolf or Buffalo Wolf	Canis lupus nubilus	The scientists are not sure if this species became extinct or not. In the past they lived in Canada and North-Texas.
Mackenzie Valley Wolf	Canis lupus occidentalis	This species lives in the Mackenzie River Valley and these wolves are very big. Their fur can vary from totally black to white.
Alaska Tundra Wolf	Canis lupus tundrarum	Big wolf with a long, white fur. He lives in Alaska.

Some Eurasian species:
 

Tundra Wolf	Canis lupus albus	These wolves live in the Tundra, between Finland and Kamtschatka. They have a light-coloured fur with quite long hair.
	Canis lupus arabs	This is a small wolf with a short fur. He lives in Saudi-Arabia.
Prairie Wolf	Canis lupus campestris	These wolves are small, grey and they live in the deserts of Asia.
	Canis lupus hattai	This species lived in Japan, but today there do not live any of these wolves.
	Canis lupus hodophilax	These wolves became extinct and lived in Japan, too.
	Canis lupus laniger	These wolves live in China, Mongolia.
Gray Wolf	Canis lupus lupus	These wolves lived nearly everywhere in Europe and in Russia. They have quite a dark fur.
	Canis lupus pallipes	These wolves lived in India and in the Iran.

But also the dog is a species of the wolves. The scientists call them Canis lupus familiaris. One of the differences between normal wolves and dogs is, that wolves aren’t able to bark. Also the „Dingo“ (Canis lupus familiaris dingo) is a species of the Grey Wolf. These animals are the Aborigines dogs that became wild.

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Sources: The sources for this text are: „The Wolf: the ecology and behaviour of an endangered species, 1981, University of Minnesota Press“ from the wolf scientist L. David Mech. Then a summary of this book that is found on the Internet (http://home.tonline.de/home/M.Froitzenheim/System.htm). and we also used the Encarta 99.