Typical Life Span: 5 – 8 years
Gestation: 42 days
Typical Litter Size: 8 (1- 18 possible range)
Hearing: Born deaf. Begin to hear at around 34 days.
Sight: Born with eyes closed. Eyes begin to open at around 34 days.
Weaning: 6 – 8 weeks
Teeth: Baby teeth erupt at 14 days. Adult teeth begin to appear at 47 days.
Color at Birth: All kits are born white, approximate adult color at 3 weeks of age.
Sexual Maturity: Reached at 5 to 6 months of age.
Breeding Season: December through August.
Normal Heart Rate: 200 – 250 Beats Per Minute
Body Temperature: Fahrenheit 100 – 103, Centigrade: 37.8 – 39.4
Respiration: 33-36/min
Weight (Female): 1.5 – 2.25lbs {.75 – 2.5lbs}
Weight (Male): 1.75 – 6 lbs {2 – 5 lbs}
Total Length: Female: 18 inches, Male: 24 inches (including tail)
Scientific Classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Family: Mustelidae
Genus: Mustela
Species: Mustela putorius furo