Related by context. Frequent words. (Click for all words.) 58 subarctic 55 Adelie penguins 55 Antarctica 53 emperor penguin 52 Alpine glaciers 52 waterbird 51 Antarctic peninsula 51 Spitzbergen 51 Antarctic 50 Weddell Sea 50 Antarctic Peninsula 49 narwhals 49 receding glaciers 49 glacial retreat 49 interglacial period 49 polar 49 terrestrial ecosystems 49 glaciers 49 Wadden Sea 49 arctic tundra 49 narwhal 49 golden plover 48 emperor penguins 48 glacial melt 48 floe 48 Emperor penguins 48 Arctic explorer 48 montane 48 icecap 48 foraminifera 48 temperate forests 47 penguin colony 47 Ross Ice Shelf 47 rookeries 47 Dry Valleys 47 cryosphere 47 fulmars 47 plesiosaurs 47 penguin chicks 47 Polar Regions 47 petrels 47 glacier 47 marine invertebrates 47 leatherback turtle 47 landmasses 47 planktonic 47 muskox 47 equatorial regions 47 Point Pelee 47 musk oxen 47 godwits 46 kittiwakes 46 decadal 46 mountain glaciers 46 puffins 46 ptarmigan 46 temperate rainforest 46 deglaciation 46 Beringia 46 polar ice 46 melting glacier 46 baleen whale 46 frozen wasteland 46 leatherback turtles 46 Antartica 46 paleoclimate 46 damselfish 46 seals sea lions 45 taiga 45 extinct volcanoes 45 nesting seabirds 45 Pribilof Islands 45 bowhead 45 petrel 45 penguins 45 polar bears 45 bearded seals 45 equatorial 45 chytrid 45 icecaps 45 undersea volcanoes 45 breeding colony 45 landforms 45 marine iguanas 45 Beluga whales 45 glaciations 45 Gondwanaland 45 Baffin Island 45 guillemots 45 retreating glaciers 45 coniferous forests 45 Siberian permafrost 45 gannet 45 giant tortoise 45 Foja Mountains 45 Shishmaref 45 polar bear cubs 45 echidnas 45 oceanic 44 glacial ice 44 atmospheric methane