- No tundra or tree lines. The subantarctic zone is marked by the Antarctic Convergence.
- No terrestrial mammals.
- Marine mammals include whales, porpoises and seals.
- The Tundra is well developed and marked by a tree shrubline.
- Terrestrial mammals include musk ox, reindeer, caribou, fox, hare, wolf, lemming, bears, and more.
- Marine mammals include whales, porpoises, seals, and amphibious mammals.