Related by context. Frequent words. (Click for all words.) 70 caribou 60 grizzly bears 58 boreal forest 57 lynx 57 elk herds 57 deer herds 57 polar bears 56 moose 56 habitat 56 elk herd 56 grizzlies 56 species 55 Inuit 55 boreal 55 tundra 55 trumpeter swans 54 nesting habitat 54 wolf populations 54 wolverines 54 habitats 53 elk 52 Arctic 52 forest ecosystems 52 ecosystems 52 glaciers 52 shorebird 51 belugas 51 herds 51 sea otters 51 mule deer 51 bull trout 51 wolves 51 pronghorn 51 spotted owls 50 polar bear 50 marine ecosystems 50 walruses 50 grizzly bear 50 bighorn 50 sage grouse 49 extinctions 49 mammals 49 deer herd 49 pristine wilderness 49 walrus 49 biodiversity 49 wild salmon 49 watersheds 49 wolf packs 48 migratory patterns 48 otters 48 whales 48 warmer winters 48 permafrost 48 grasslands 48 gray squirrels 48 bighorn sheep 48 wildlife 48 marmots 48 endangered species 48 aspen 47 bird species 47 populations 47 bison 47 grizzly 47 Beaufort Sea 47 wild turkeys 47 sockeye salmon 47 wetlands 47 ocean ecosystems 47 breeding pairs 47 wildlife habitat 47 carnivores 47 Arctic Ocean 47 leatherbacks 47 aquatic ecosystems 47 Yellowstone bison 47 Arctic tundra 47 snowpacks 46 mountain glaciers 46 forests 46 ice floes 46 sockeye 46 wildlife habitats 46 wolverine 46 bald eagles 46 salmon 46 Antarctic Peninsula 46 bighorns 46 critically endangered species 46 carnivore 46 cougars 46 spotted owl 46 glacier 46 lake trout 46 prairies 46 wolf 46 marmot 46 mountain pine beetle 46 white tailed deer 46 humpbacks