Related by context. Frequent words. (Click for all words.) 62 marbled murrelet 59 Mexican spotted owl 58 spotted owls 56 owl habitat 56 Sage grouse 55 northern spotted owl 55 sagebrush habitat 54 Invasive plants 54 grassland birds 54 red legged frogs 54 Gypsy moths 53 greater sage grouse 53 spotted owl 53 spotted owl habitat 52 species 51 Peregrine falcons 51 Cook Inlet belugas 51 mussel species 51 timber harvests 50 barred owls 50 Pacific walrus 50 Bighorn sheep 50 habitat 50 caribou herds 50 caribou herd 50 wood stork 49 lodgepole 49 forbs 49 conifers 49 mountain caribou 49 nesting habitat 49 grassland habitat 49 Bald eagles 49 endangered species 49 clearcuts 49 mountain pine beetles 49 boreal forests 49 elk herds 48 scrub jay 48 woodland caribou 48 overhunting 48 tiger salamander 48 Whooping cranes 48 Florida panthers 48 Bald eagle 48 habitat designations 48 sharp tailed grouse 48 Endangered species 48 Infestations 47 lynx habitat 47 cottontails 47 lapwing 47 bird species 47 oak woodlands 47 Feral hogs 47 Steller sea lions 47 endangered species protections 47 Yellowstone grizzlies 47 bald eagle nests 47 migratory songbirds 47 lowland forests 47 snowy plover 47 snowshoe hares 47 plovers 47 ribbon seals 47 goshawk 47 barred owl 47 overharvesting 47 adelgids 47 Invasive species 46 Grizzly bears 46 bitterns 46 federally endangered 46 bee populations 46 Endangered Species List 46 pikas 46 Yellowstone ecosystem 46 rookeries 46 Sandhill cranes 46 burrowing owls 46 hickories 46 timber harvest 45 Coho salmon 45 Iberian lynx 45 fox squirrels 45 California condors 45 burrowing owl 45 penguin species 45 habitats 45 Migratory birds 45 scaup 45 nesting pairs 45 sage grouse 45 fairy shrimp 45 loggerhead sea turtles 45 Sperm whales 45 pronghorns 45 junipers 45 sea otters 45 plover 45 Ponderosa pine