Related by context. Frequent words. (Click for all words.) 52 Illegal logging 49 Chihuahuan Desert 49 mesquite trees 49 buffelgrass 49 Giant Sequoia 48 bark beetle 47 bosque 47 clearcuts 47 sagebrush habitat 47 Jemez Mountains 47 oak woodlands 47 desert bighorn sheep 46 habitat degradation 46 sequoias 46 lodgepole 46 red legged frogs 46 illegal loggers 46 greater sage grouse 46 spotted owl habitat 46 owl habitat 46 bark beetle infestation 45 Tarahumara 45 Monarch butterfly 45 saguaro 45 Organ Mountains 45 biosphere reserve 45 pine beetle infestation 45 amphibian populations 45 Trans Pecos 45 Huichol 45 Bridger Teton 45 Gifford Pinchot National 45 pronghorn 45 Madre de Dios 45 limestone cave 44 Sonoran Desert 44 sharp tailed grouse 44 marbled murrelet 44 lynx habitat 44 habitat 44 spotted owls 44 monarch butterfly 44 Chiricahua 44 deforestation 44 rainforest 44 whitebark pine 44 timber harvesting 44 ranchlands 44 Cerrado 44 longleaf pine 44 ponderosa 44 lodgepole pine 44 Bighorn sheep 44 Mexican spotted owl 44 boreal forests 44 wood stork 43 Forest Guardians 43 species 43 Andean highlands 43 Book Cliffs 43 cattle ranching 43 Amazon rainforest 43 aspen 43 habitat fragmentation 43 temperate forests 43 Amazon Rainforest 43 riparian habitat 43 pronghorns 43 red cockaded woodpecker 43 Otero Mesa 43 northern spotted owl 43 caribou herd 43 loggers 43 forests 43 biodiversity 42 invasive weeds 42 pine beetles 42 Peruvian Amazon 42 Yellowstone ecosystem 42 beetle infestation 42 monarch butterflies 42 snowy plover 42 Feral hogs 42 grassland birds 42 virgin forests 42 livestock grazing 42 Yellowstone grizzlies 42 Mexican gray wolves 42 Amazon basin 42 Forest Service 42 aspen trees 42 Mimbres 42 logging 42 ponderosa pine 42 reforesting 42 elk herds 42 Big Thicket 42 Sandhill cranes 42 Michoacán 42 Valle Vidal 41 ponderosa pines