Kits are born blind and naked. At the age of 20 days, the kits darken in colour. Their eyes open after 28–34 days. By the age of 45 days, they are able to hunt young ground squirrels. They start hunting adult ground squirrel at the age of 60 days. The kits stay in the family burrow for 2.0-2.5 months. The kits begin to leave the family from July or later. Steppe polecats reach sexual maturity at the age of 10 months. They become adults at the age of two years.