Southern right whales spend the austral winter in the warmer waters off the Valdez Peninsula, where they give birth to their calves. Weighing between 50 and 80 tons, the animals are popular with local tourism officials for whale-watching tours and often display...
Frazil ice forms under the sea surface and causes the formation of cold, dense water. Photo: Masato Ito The global climate is significantly influenced by ocean currents. The most significant of these is the global conveyor belt, also called the thermohaline...
One of the bird species that could bring the highly contagious H5N1 avian influenza virus from the north is the Arctic tern, which migrates toward Antarctica every northern autumn, making one of the longest documented animal migrations. Image: Dr Michael Wenger In...
The volcanic South Sandwich Islands in the middle of the Southern Ocean are getting a four-part stamp series, of which Part 2 has now been released, featuring the islands of Bristol, Montagu and Saunders and an animal special to the island on it. Image: Pobjoy Mint...
A decline in juvenile survival during their first winter has exacerbated the rate of decline of the Adélie penguin population at Mawson Station. As soon as they dive into the Southern Ocean for the first time, the young birds are on their own. Photo: Louise Emmerson...
