"Now, once a year, in a continuous effort to keep their enemies at bay, the Narwhal leave their homes to embark on a treacherous migration to Antarctica in the hunt for baby penguins and seal pups. Many will not return... Along their journey, they will spend time in Australia, swimming up stream to the inland habitat of the koalas, where they will actually leap out of the water to spear the deadly koalas from their perches high in the Eucalyptus trees."
