There are two kinds of tundras, Arctic and alpine.
Arctic tundras lie near the Arctic Ocean.
They include Greenland, northern parts of Alaska, Canada, Europe and Russia. The alpine tundra is located at the top of mountains across the world. Some geological events that have made the formation of this biome are the movment of glaciers from the north. In the tundra biome there are many animals. They are wolves, lemmings, caribou, musk oxen, polar bears, ptarmigans, snowy owls, geese, and plovers.