Related by context. Frequent words. (Click for all words.) 56 Alaskan tundra 54 Migrating birds 52 arctic tundra 52 tundra 51 Arctic tundra 50 Polar bears 50 narwhals 50 floes 50 Spitzbergen 50 seabeds 50 frozen wasteland 49 coniferous forests 49 Antarctic seas 49 polar bears 48 rookeries 48 Sea otters 48 Emperor penguins 48 subarctic 48 ice floes 48 floe 48 snowshoe hares 47 Melting glaciers 47 ribbon seals 47 overharvest 47 taiga 47 Migratory birds 47 unforgiving terrain 47 icecap 47 icecaps 47 bearded seals 47 Walruses 46 ptarmigan 46 temperate forests 46 Arctic foxes 46 Warming temperatures 46 migrating whales 46 frigid temps 46 polar icecaps 46 icy crust 46 treacherous seas 46 habitats 46 emperor penguin 45 goshawks 45 arctic 45 Adelie penguins 45 kittiwakes 45 Weddell Sea 45 clathrates 45 Sperm whales 45 Beluga whales 45 petrels 45 grassy plains 45 horseflies 45 Sandhill cranes 45 ringnecks 45 creatures 45 bergs 44 landmasses 44 Melting ice 44 Polar Regions 44 Antarctic 44 shallow bays 44 ringed seals 44 musk oxen 44 polar 44 caribou herds 44 receding glaciers 44 intertidal zone 44 wetland ecosystems 44 tidal pools 44 Arctic permafrost 44 migratory shorebirds 44 bowhead 44 snowshoe hare 44 Antarctic waters 44 Antarctica 44 oceans 44 emperor penguins 44 coulees 44 bowhead whale 44 Turnagain Arm 44 snowmachiners 44 hardened lava 44 reindeer herders 44 Lake Natron 44 rocky coastline 44 marine iguanas 44 temperature inversions 44 freshwater marshes 44 alpine meadows 43 polar bear habitat 43 monk seals 43 southerlies 43 Boaties 43 temperate rainforest 43 snowfields 43 seawaters 43 Steller eiders 43 mist shrouded 43 habitat 43 fragile ecology