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    The Gray Wolf is the largest living member of the family Canidae.  The largest individuals tend to be found in the northern forests of North America, with weights of 175 lb. having been recorded.  A weight of 100-125 lb. is much more typical, however.  Gray wolves from the hotter, drier parts of the world rarely exceed 50 lb..  In general, there is a wide size range among the various races, or "subspecies" of gray wolf.  Their color also ranges vastly between the sub-species.

The Arctic Wolf 

Scientific Name:
Canis lupus arctos 
Nick Name: Melville Island Wolf 
Status: Endangered-only found on the
arctic islands from Melville Island to 
Ellesmere Island. 
Description: Usually all White with a very thick coat, about 5-6 feet long, 4 feet tall, weighing from 60-100 pounds. 
The Mexican Wolf 

Scientific Name:
Canis lupus baileyi

Status: Extremely Endangered- 
There are no wild populations in the US. Captive bred individuals have been released in Arizona and hopefully in New Mexico before the turn of the century; status in Mexico is unknown and may be extirpated (no longer exists in Mexico) 
Description: Usually dark red and black with white markings, medium thick coat, about 4-5 feet long, 3 feet tall, 40-80 pounds.


The Arabian Wolf 

Scientific Name:
Canis lupus arabs 
Status: Extremely Endangered 
Description: Light brown with a very short coat, 3-4 feet long, 2-3 feet high, about 40-60 pounds. Pure Arabian Wolves have yellow eyes with black pupils.


Banks Island Tundra Wolf 

Scientific Name:
Canis lupus bernardi 
Status: Endangered-only found in the Northwest regions of Banks Island. 
Description: Very thick mostly white coat with black hair along the middle of the back, Large and lanky about 6 feet long, 4 feet tall, 60-110 pounds. 
British Colombian Wolf 

Scientific Name:
Canis lupus columbianus 
Status: Endangered-found only in British Columbia, Canada. 
Description: One of the largest wolves, they can weigh between 80-140 pounds, Usually they are either gray or black with the black ones being the biggest of the two. 
Vancouver Island Wolf 

Scientific Name: Canis lupus crassodon 
Status: Endangered 
Description: A medium sized wolf, Usually grayish black coat, 4-5 feet long, 3 feet high, 40-80 pounds. 
Cascade Mountains Wolf 

Scientific Name:
Canis lupus fuscus 
Nick Name: The Brown Wolf 
Status: It is not known if any remain 
Description: Cinnamon brown coat, 4-5 feet long, 3 feet high, 80-90 pounds. 
The Hudson Bay Wolf 

Scientific Name:
Canis lupus hudsonicus 
Nick Name: The Tundra Wolf 
Status: Endangered 
Description: Thick nearly white coat, 4-5 feet long, 3 1/2 feet high, 60-90 pounds. 
The Manitoba Wolf 

Scientific Name: Canis lupus griseoalbus 
Nick Name: Elusive Wolf 
Status: This wolf supposedly roams the Central Manitoba and Northern Saskatchewan areas.  It has never been validated that this wolf exists. 
Eastern Timber Wolf 

Scientific Name:
Canis lupus lycaon 
Status: Endangered 
Description: Wide range of colors and sizes, usually there is a darker color  upside down crown on the top of the head. 

Rocky Mountain Wolf 

Scientific Name:
Canis lupus irremotus 
Status: Extremely Endangered-in the United States they are considered extinct. Although recent reports of a few wolves in Glacier National Park in Montana are thought to be this subspecies. 
Description: This is a medium to large light colored Wolf. 
Labrador Wolf 
Scientific Name:
Canis lupus labradoriu 
Status: Endangered 
Description: They range in color from dark gray to almost white, they usually are medium sized wolves. 
Alexander Archipelago Wolf 

Scientific Name:
Canis lupus ligon 
Status: Endangered 
Description: One of the smallest wolves, about 3 1/2 feet long, about 2 feet high, 30-50 pounds, short haired with a gray coat of fur underneath a black coat. 
Mackenzie Tundra Wolf 

Scientific Name:
Canis lupus mackenzii 
Status: Endangered 
Description: A Medium sized wolf, their color ranges from black to white. 
Baffin Island Tundra Wolf 

Scientific Name:
Canis lupus manningi 
Status: Endangered-only found on the Baffin Island. 
Description: The smallest of the snow wolves, they have a thick white coat. 
Mackenzie Valley Wolf 

Scientific Name:
Canis lupus occidentalis 
Status: Unknown 
Description: One of the largest wolves in Northern America, They weigh between 100-140, color varies from black to almost pure white. 
Greenland Wolf 

Scientific Name:
Canis lupus orion 
Nick Name: The Swamp Wolf 
Status: Possibly extinct-no evidence exists that this is a distinct species. Many believe it is part of the Canis lupus arctos. 
Description: The Legendary Swamp Wolf a lot like bigfoot no one really knows what it looks like. 
Interior Alaskan Wolf 

Scientific Name:
Canis lupus pambasilcus 
Status: Unknown 
Description: Wolves of this species are among the largest in North America.  These wolves roam throughout the interior of Alaska, except the tundra region of the arctic coast. 
Alaska Tundra Wolf 

Scientific Name:
Canis lupus tundrarum 
Status: Unknown 
Description: This is a large wolf with long light colored fur. It ranges along the tundra region of Alaska's arctic coast. 
Tundra Wolf 

Scientific Name:
Canis lupus albus 
Status: Unknown 
Description: This wolf can be found throughout the Eurasian tundra and forest tundra from Finland eastward to the Kamchaika Peninsula. It is large, long furred, light colored wolf much like its Northern American counterpart: Canis lupus Tundaru 
Steppe Wolf 

Scientific Name:
Canis lupus campestris 
Status: Unknown 
Description: The Steppe wolf is a small wolf inhabiting the deserts and steppes of Central Asia. It has a short coarse coat that is dull gray with a tint of ochre. 
Tibetan Wolf 

Scientific Name:
Canis lupus laniger 
Status: Unknown 
Description: This is a medium sized wolf with long lightly colored fur. It inhabits mainland China, Manchuria, Mongolia, Tibet, and southwestern Russia. 
Common Wolf 

Scientific Name:
Canis lupus lupus 
Status: Endangered 
Description: This is the wolf that once roamed throughout Europe and the entire forest of Russia. It is a medium sized wolf with coarse dark fur. 
Middle Eastern Wolf 

Scientific Name:
Canis lupus pallipes 
Status: Endangered 
Description: This wolf inhabited Iran and India and the lands in between these two countries, a small wolf with a tan coarse coat.

(Information from "The Wolf: Ecology of an Endangered Species")


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