Explore the walrus' evolutionary past and their ability to thrive through the ages. With bulbous eyes, two long sharp tusks, a long mustache and one ton of blubber, the walrus is far from majestic.

Adult male walruses, called bulls, can reach lengths of up to 11 feet and weigh as much as 3,700 pounds. Females are smaller, averaging 9 feet long and 2,700 pounds. Calves weigh 100–130 pounds at ...