what kinds of animals can be seen there?
Some species of marine animals include penguins, blue whales, orcas, colossal squids and fur seals
Animals
Some species of marine animals exist and rely, directly or indirectly, on the phytoplankton. Antarctic sea life includes penguins, blue whales, orcas, colossal squids and fur seals. The emperor penguin is the only penguin that breeds during the winter in Antarctica; it and the Adélie penguin breed farther south than any other penguin. The southern rockhopper penguin has distinctive feathers around the eyes, giving the appearance of elaborate eyelashes. King penguins, chinstrap penguins, and gentoo penguins also breed in the Antarctic.

The Antarctic fur seal was very heavily hunted in the 18th and 19th centuries for its pelt by sealers from the United States and the United Kingdom. The Weddell seal, a "true seal", is named after Sir James Weddell, commander of British sealing expeditions in the Weddell Sea. Antarctic krill, which congregate in large schools, is the keystone species of the ecosystem of the Southern Ocean, and is an important food organism for whales, seals, leopard seal
who makes up most of the population of antarctica 5,000 in the summer and much lesser in winter where did it get the name from? It is the romanised version of the Greek compound word "antarktiké" meaning "opposite to the Arctic", "opposite to the north"
The flightless midge "Belgica antarctica". The sea life includes penguins, blue whales, orcas, colossal squids and fur seals. penguins, blue whales, orcas, colossal squids and fur seals.
Antarctica Antarctica Antarctica
Animals Animals Animals
. The flightless midge "Belgica antarctica", up to in size, is the largest purely terrestrial animal in Antarctica. Antarctic sea life includes penguins, blue whales, orcas, colossal squids and fur seals.  Antarctic sea life includes penguins, blue whales, orcas, colossal squids and fur seals. 
wiki:22093102
Antarctica [SEP] Animals
Few terrestrial vertebrates live in Antarctica, and those that do are limited to the sub-Antarctic islands. Invertebrate life includes microscopic mites like the "Alaskozetes antarcticus", lice, nematodes, tardigrades, rotifers, krill and springtails. The flightless midge "Belgica antarctica", up to in size, is the largest purely terrestrial animal in Antarctica. Another member of Chironomidae is "Parochlus steinenii". The snow petrel is one of only three birds that breed exclusively in Antarctica. Some species of marine animals exist and rely, directly or indirectly, on the phytoplankton. Antarctic sea life includes penguins, blue whales, orcas, colossal squids and fur seals. The emperor penguin is the only penguin that breeds during the winter in Antarctica; it and the Adélie penguin breed farther south than any other penguin.