Related by context. Frequent words. (Click for all words.) 69 woodland caribou 66 mountain caribou 64 caribou herds 61 caribou habitat 61 Boreal forest 60 northern spotted owls 59 caribou herd 59 boreal forests 59 Boreal Forest 57 boreal 57 Bighorn sheep 57 pine marten 57 Sage grouse 56 Sea otters 56 Mule deer 56 boreal forest 55 goshawk 55 aquatic habitats 55 grizzly bears 55 caribou 55 wetland ecosystems 54 Grizzly bears 54 species 54 lynx habitat 54 black footed ferret 54 lynx 54 spotted owls 54 grizzly bear habitat 54 pronghorns 53 calving grounds 53 sharp tailed grouse 53 wolverines 53 habitats 53 cottontail rabbits 53 salmonid 53 marten 53 hatchery salmon 53 Invasive plants 52 elk moose 52 grassland birds 52 biota 52 muskox 52 black footed ferrets 52 frogs toads 52 freshwater ecosystems 52 habitat 52 biodiversity hotspot 52 Mexican spotted owl 52 snowy owls 51 mountain pine beetles 51 federally endangered species 51 Bald eagle 51 habitat fragmentation 51 temperate forests 51 red legged frogs 51 Endangered species 51 Waterton Lakes National 51 Bald eagles 51 wetland habitats 51 Coho salmon 51 waterfowl populations 51 bull trout 51 elephant herds 51 Florida panthers 51 wolf populations 50 deer herds 50 greater sage grouse 50 Killer whales 50 marbled murrelet 50 mussel species 50 ecosystems 50 Critically Endangered 50 CPAWS 50 endangered species 50 grizzlies 50 waterbirds 50 rookeries 50 lowland forests 50 cassowary 50 migratory species 50 grassland habitat 50 deciduous forests 50 spotted owl habitat 50 Burns Bog 50 Florida panther 50 subarctic 50 bowhead whale 49 avian species 49 aquatic ecosystem 49 native brook trout 49 trumpeter swan 49 quolls 49 Steller sea lions 49 breeding colonies 49 huntable 49 migrating waterfowl 49 Bear Rainforest 49 wintering birds 49 cutthroat trout 49 salmonids 49 Yellowstone ecosystem