The average lifespan of an Amur Leopard in the wild is ten to fifteen years, in captivity up to 23 years.
The cats reach their sexual maturity at three years of age. The breeding season in in the late winter months, usually around January or February. The gestation period for the mother is 90-105 days. So their cubs are usually born April through June.
They have two to four cubs in their litters with an average of two.
The Amur Leopard cubs open their eyes after ten days. They stay with their mother until they are around eighteen months to two years in age.