She-bears normally give birth to tiny walnut-sized cubs during their winter hibernation and suckle them for months as they grow, before the spring thaw awakens the mother and she leaves her den.

• 母熊通常在冬眠期间产下胡桃大小的幼仔，哺乳几个月，小熊们渐渐长大，当春天来临大地解冻时，母熊从冬眠中醒来，离开巢穴。