shoreline, the edge where land meets the sea, glacier, a large, slow-moving mass of ice, ice floe, a flat piece of floating sea ice, sub-zero temperatures, temperatures below 0°C, harsh weather conditions, very difficult or extreme weather, strong currents, powerful movements of water in the sea, vast wilderness, a huge, wild natural area, breeding season, the time when animals reproduce, nesting area, a place where birds lay eggs, endangered species, animals that are at risk of disappearing, conservation, protecting nature and wildlife, sustainable tourism, travel that does not damage the environment, penguin colony, a large group of penguins living and breeding together, albatross, a very large seabird with long wings, seal, a marine mammal that lives both in water and on land, elephant seal, a very large seal with a long nose (in males), orca (killer whale), a large black-and-white whale that hunts in groups, humpback whale, a large whale known for jumping out of the water

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