In 1981, there were only 31, but their numbers have been increasing ever since. When they are born, they look like tiny white rats, but quickly grow to over a foot, adult size. Mating habits Females become sexually mature at the age of one year. Breeding season typically extends through March and April. Gestation period is between 35-45 days.
Ferrets are sexually dimorphic with the male being larger than the female.
During mating season, females aggressively solicit males. Only about two percent of the blackfooted ferret's habitat is still in use. Longest living member I searched for, but could not find, information on this topic. Increasing in captivity, released to the wild, then hurt by Canine Distemper disease or some other disease. Then the population goes down to forty percent.