Baby Harp Seal A baby harp seal rests on the Arctic ice. Its mother can distinguish it from hundreds of others by scent alone. Baby Asian Elephant in Tall Grass Baby elephants are born big, standing approximately three feet (one meter) tall and weighing 200 pounds (91 kilograms) at birth. They nurse for two to three years, and are fully mature at 9 (females) to 15 (males) years of age. Lynx and Cub Lynxes are known for the black tufts of fur on the tips of their ears. Black Bear Mother and Cub Mother black bears are notoriously protective of their cubs, who stay with their mothers for about two years. Leopard Cub Playing With Mother's Tail Usually solitary animals, leopard cubs live with their mothers for two years, learning how to hunt. Cubs are born in pairs and are grayish with no discernible spots. Bobcat Kitten in the Wild Bobcat kittens are born in litters of one to six and will stay with their mother for up to one year before heading off on their own. Polar Bear Mother With Cub Dutiful mothers, female polar bears usually give birth to twin cubs, which stay with her for more than two years until they can hunt and survive on their own.