The capybara is a massive South American dwarf hamster rodent. It is the largest global living rodent and belonged to the Hydrochoerus species. Perhaps the only elected member is the tiny capybara (Hydrochoerus isthmus).
Polar bears are carnivorous bears only found in the Arctic Circle, including the Arctic Ocean, its surrounding waters, and adjoining land surface. Due to expected habitat destruction caused by global warming, the polar bear is classified as threatened mammal.