The southern elephant seal (Mirounga leonina) is the world's largest seal. Southern elephant seals are named after the large proboscis (nose) of the adult males, which is used to make loud roaring sounds, especially during the mating season.
Heard Island is a subantarctic island located in the Southern Ocean, about 4,000 kilometres south west of mainland Australia. The island have been an Australian territory since 1947 and contain the country's only two active volcanoes, it's highest mountain, and it's only glaciers. It is part of the Australian external territory of Heard Island and McDonald Islands. The islands and surrounding waters offer a unique opportunity for conducting scientific research,
Home to a range of wildlife including seals, marine birds and penguins which include several species with conservation status at a national and international level. The surrounding waters contain unique and important marine species.
Heard and McDonald Islands are since 1997 on the UNESCO World Heritage List.