Wolf Haven International

Basic Facts About Gray Wolves

Average lengthMale: 5-6.5 feet (nose to tip of tail)
Female: 4.5 to 6 feet
Average height26 to 32 inches
Average weightMale: 80-110 lbs.
Female: 60-80 lbs.
Average paw size4 inches wide by 5 inches long
Longevity5-9 year average in the wild
14-15 years in captivity
PelageAny shade of gray, brown, black, white, or tawny
Number of teeth42
Breeding seasonMid January to Mid April (depending on climate-the colder the climate, the later the breeding season)
Gestation Period63 days on average
Weight at birth1 pound on average
Litter size4-6 pups on average
Pup mortality rateHighly variable, but approximately 40-60% per year
Pack size6-8 members on average
Pack territory/ size10-100 square miles per animal
Speed6 miles on average but can reach speeds of 43 mph during a chase
Common preyCaribou, elk, deer, bison, musk-oxen, sheep, goats. Also will prey on rodents, beavers, fish, and birds. Basically whatever is available when ungulate are scarce.
Wolf to deer ratio1 wolf to a population of 50-200 deer
Main threats to survivalLoss of habitat due to destruction, development and encroachment by humans, persecution by humans.
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