They use their tusks for cutting through ice and getting out of the water, as well as defense and for males, to demonstrate dominance. The larger the tusks, the more dominant the male. Tuskscan be as long as 3 feet (0.9 m) for males!

They use their tusks for cutting through ice and getting out of the water, as well as defense and for males, to demonstrate dominance. The larger the tusks, the more dominant the male. Tuskscan be as long as 3 feet (0.9 m) for males!