polar wolf
bearded seal
reindeer
polar fox
rock ptarmigan
has fur on the bottom of its hooves, which helps it keep from slipping on icy ground
has more-rounded ears, a shorter muzzle and shorter legs than other subspecies
have feathers everywhere - on their eyelids, nostrils and even their feet
has cold skin and a blubber, that insulate the animal's internal organs
has thick fur and a long, bushy tail that it use to wrap around its body at night for warmth
