Related by context. Frequent words. (Click for all words.) 61 overhunting 59 mountain caribou 57 Mule deer 57 Sage grouse 56 overharvest 56 caribou herds 56 wolf predation 56 Sea otters 55 woodland caribou 55 northern spotted owls 54 overgrazed 54 species 54 functionally extinct 54 harp seal population 53 overharvesting 53 hatchery salmon 53 Greater Yellowstone Ecosystem 53 pine marten 53 Predation 53 habitat 53 marbled murrelet 52 caribou habitat 52 elk moose 52 huntable 52 Grizzly bears 52 grizzly bears 52 boreal forests 52 bowhead whale 52 goshawks 52 bowhead 52 Bighorn sheep 52 subsistence hunters 52 intensively farmed 52 Indohyus 52 Arctic foxes 52 temperate rainforest 52 ungulates 52 marbled murrelets 51 temperate forests 51 Invasive plants 51 COSEWIC 51 red legged frogs 51 snowshoe hares 51 Nile perch 51 narwhal 51 beluga sturgeon 51 wetland ecosystems 51 Amazonian rainforest 51 Yellowstone grizzlies 51 Boreal forest 50 federally endangered species 50 sagebrush habitat 50 rampant poaching 50 Fraser sockeye 50 overgrazing 50 spotted owls 50 muskox 50 caribou herd 50 baleen whale 50 grassland habitat 50 caribou 50 endangered species 50 Puget Sound orcas 50 megafauna 50 spotted owl habitat 50 Yellowstone ecosystem 50 snowy plovers 50 Bluefin tuna 50 pygmy rabbits 50 endangered 49 boreal forest 49 reintroductions 49 cassowary 49 black footed ferret 49 mountain pine beetles 49 montane 49 keystone species 49 predation 49 Endangered species 49 lowland forests 49 endangered species protections 49 ptarmigan 49 Coho salmon 49 greater sage grouse 49 Wadden Sea 49 Mexican spotted owl 49 Steller sea lions 49 elk herds 49 moose elk 49 Nile Perch 49 Overfishing 49 porbeagle 49 freshwater turtles 49 deciduous forests 49 tiger salamander 49 rookeries 48 mammal 48 overfishing pollution 48 grizzly bear habitat 48 goshawk 48 Steller sea lion