Grizzly bear mother with cub Grizzly bears give birth to their young during the hibernation months. Grizzly bears give birth to their young during the hibernation months. In the cosy, warm cave they are well protected from the cold and other predators. The bear cub first leaves the cave in spring. Then it follows its mother step by step to search for berries and roots or to hunt fish together with her. Fun fact Grizzly bears live in North America and are a subspecies of the brown bear. Dimensions: 3.94 x 4.92 x 2.76 inch(W x D x H) DUE TO SMALL PARTS RECOMENDED FOR 3+