Polar Bears Evolved Just Years Ago Credit: U. Fish and Wildlife Service.Here two polar bear cubs snuggle up. The polar bears, which evolved from brown bears, originated some years ago, according to genetic analyses of a polar bear fossil.
There is no land at all at the North Pole, only ice on top of sea. The Arctic Ocean has about 12 million sq km million sq mi) of floating ice and has the coldest winter temperature of degrees centigrade.
The Tongariro National Park, located in the Taupo region, is a World Heritage Park and one of the oldest National Parks in the world. The park contains three superb volcanoes - Mt Ruapehu, Mt Tongariro and Mt Ngauruhoe.
Polar Bear Mother With Cub Photograph by Norbert Rosing Dutiful mothers, female polar bears usually give birth to twin cubs, which stay with her for more than two years until they can hunt and survive on their own.