Rodent on every continent except Antarctica. They are the only terrestrial placental mammals to have colonized Australia and New Guinea without human intervention. Humans have also allowed the animals to spread to many remote oceanic islands (e.g., the Polynesian rat). Rodents have adapted to almost every terrestrial habitat, from cold tundra (where they can live under snow) to hot deserts. Some species such as tree squirrels and New World porcupines are arboreal, while some, such as gophers, tuco-tucos, and mole rats, live almost completely underground, where they build complex burrow systems. Others dwell on the surface of the ground, but may
Animals in sport Films and television series about animals in sport can be realistic or fictional, involving animals in an activity that they cannot really perform. "Seabiscuit" is a fairly accurate portrayal of the famous American horse of the same name, while "", a film about a hockey-playing chimpanzee, is unrealistic. The 1980 animated film "Animalympics" is a spoof of the Olympic Games and features anthropomorphicised animals. In the combination live action and animation film "Bedknobs and Broomsticks", animated animals play a game of football. Similarly, several television commercials used the Budweiser Clydesdales and other animals in live-action and CGA roles to appear