An estimated 5,000 to 15,000 musk oxen, as well as many polar bears and walrus, can be found near the coastal regions of the park. This is claimed to be 40% of the world population of musk ox. Other mammals include arctic fox, stoat, collared lemming and arctic hare. Other marine mammals include ringed seal, bearded seal, harp seal and hooded seal as well as narwhal and Beluga whale.