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Gray Wolf
 
Gray Wolf 
Name: Gray Wolf
Scientific name: Canis lupus
Alias(es): Timber Wolf
Status: Normal
Time of status: 
Subkingdom Eumetazoa
Superphylum Deuterostomia
Phylum Chordata
Subphylum Vertebrata
Class Mammalia
Subclass Eutheria
Infralass Laurasiatheria
Order Carnivora
Suborder Caniformia
Family Canidae
Subfamily Caninae
Tribe Canini
Genus Canis
Species Canis lupus
Subspecies Canis lupus lupus
Status description Although it only inhabits a small portion of its original habitat, the IUCN lists the Gray wolf as "Least Concern".
Breeding method Live birth after 60-63 days of gestation.
Breeding time Late winter, early spring
Predators Humans
Diet Meat (scavenged, or caught), and berries. Competes with cougars for food
Physical description Usually between 36-40 kg, although a wolf weighing 86 pounds was recorded.
Size 1.5m-2m in length, and 0.6 to 0.8 meters in height.
Life span 6-10 in the wild, and double that in captivity.
Distribution Scattered through parks
Reproduction They reach sexual maturity between 2-3 years. The wolves usually have 5-6 pups in a litter, and only the alpha male, and female are allowed to mate.
Social structure Wolves are very social animals, in packs of 2 to 20 wolves per pack, but usually, there are 8 to a pack. They have rankings, in which the stronger the wolf, the higher their ranking. A pack of 36 wolves was once reported.
Feeding adaptations The higher ranking wolves feed first, and starting from a certain age, the pups will feed last. The pups will establish a secondary ranking within themselves, and is important for their future.
External link 1 http://www.iucnredlist.org/apps/redlist/details/3746
External link 2 http://www.epa.gov/fedrgstr/EPA-SPECIES/2000/July/Day-13/e17621.htm
A howling wolf 

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