INVASIVE: The European/Common Rabbit
The European Rabbit, also known as the common rabbit is originally from Southern Europe and North Africa. It was introduced to all continents expects parts of Asia and Antartica. This extremely fast-reproducing rabbit species was brought to various countries around the world as a food source during that country's colonial days. Due to the fact that they were brought for a reason would mean it was on purpose. However, the extreme overpopulation of them was unintentional.
ENDANGERED: The Amur Tiger (Siberian Tiger)
The Amur Tiger or Siberian Tiger originate in eastern Russia, northern China, and the Korean peninsula. Mostly living on the mountain range east of the Amur River, this species is on the critically endangered list due to poaching and loss of habitat. (Overexploitation and Habitat Destruction in H.I.P.P.C.O.) The Amur Tiger was originally desired by poachers for their fur and bones for Traditional Chinese Medicine. However, more recently, the Amur Tiger species is threatened by loss of habitat due to logging.
The Musk Ox is very successful in the Tundra biome due to it's extremely large size, simple eating habits, warm fur and ability to form herds. It's large size helps to ward off predators and when being preyed upon, they form circles with their herd for protection. Also, they have simple vegetarian eating habits, eating many grasses and mosses grown in the Tundra.
Arctic Moss is very well adapted to harsh climates in the Tundra. It can survive the extremely high winds and frozen temperature, often experienced in the Russian Tundra. It does not require much sunlight, nutrients, or water. It also grows very low to the ground, giving it a survival advantage.These characteristics allow it to thrive in the tundra biome.