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(Click for frequent words.) 63 whitebark pine trees 62 whitebark pines 59 Yellowstone grizzlies 59 marbled murrelet 56 aspen stands 56 whitebark 55 mountain pine beetles 55 Greater Yellowstone Ecosystem 55 owl habitat 54 Gunnison sage grouse 54 pika 53 sagebrush habitat 53 aspen 53 bee pollination 53 lodgepole pine 53 murrelet 53 blister rust 53 aspen trees 53 pygmy rabbits 53 amphibian populations 52 pygmy rabbit 52 jack pine 52 lodgepole 52 whitebark pine nuts 52 Bicknell thrush 52 budworm 52 Yellowstone grizzly bears 52 sage grouse populations 52 balsam woolly adelgid 51 grassland birds 51 habitat 51 Yellowstone grizzly 51 greater sage grouse 51 Yellowstone ecosystem 51 bark beetle epidemic 51 pinyon pines 51 caribou herd 51 northern spotted owl 51 pine bark beetle 51 Mexican spotted owl 50 pikas 50 huckleberry crop 50 red legged frog 50 yellow legged frogs 50 ponderosa pine forests 50 Servheen 50 milk vetch 50 pine bark beetles 50 bitterbrush 50 lodgepole pine forest 50 spruce bark beetles 50 bumblebee species 50 pollinator populations 50 yellow legged frog 50 willow flycatcher 49 sage grouse 49 red legged frogs 49 spotted owl 49 pygmy owl 49 grizzly bears 49 honeybee populations 49 habitat fragmentation 49 species 49 wood stork 49 lynx habitat 49 lodgepole pine trees 49 elk calves 49 spotted owl habitat 49 native pollinators 49 bark beetles 49 grassland habitat 49 woolly adelgid 49 woodland caribou 49 meadowfoam 49 aspen forests 49 Yellowstone cutthroat 49 beetle infestation 49 mountain plover 49 shrub steppe habitat 49 pine beetles 48 Lodgepole pine 48 keystone species 48 streamside forests 48 Pine beetles 48 beetle infestations 48 northern spotted owls 48 leopard frog 48 spruce budworm 48 Continental Divide Ecosystem 48 bark beetle 48 bark beetle infestations 48 coastal coho 48 barred owls 48 woodrat 48 Kittlitz murrelet 48 bull trout 48 snowshoe hare 48 acorn crop 48 mountain pine beetle 48 lodgepole pine forests 48 fawn survival 48 piñons 48 hemlocks 48 overstory 48 black footed ferret 48 pinyon pine 48 berry crop 48 Northern Spotted Owl 48 Pristine habitat 48 insect outbreaks 48 giant Palouse earthworm 48 ponderosa 48 murrelets 47 songbird populations 47 horned lark 47 marbled murrelets 47 boreal toads 47 riparian habitat 47 Southwestern willow flycatcher 47 Paiute cutthroat trout 47 fatal maulings 47 federally endangered species 47 valley elderberry longhorn beetle 47 burrowing owl 47 conifer 47 Mexican garter snake 47 Colorado pikeminnow 47 vernal pool species 47 Chiricahua leopard frog 47 pine beetle infestation 47 grasshopper infestation 47 Grizzly bears 47 waterbird species 47 salvage logging 47 wintering habitat 47 lodgepole forests 47 whitebark pine cones 47 bunchgrass 47 wolverine habitat 47 Klamath Siskiyou 47 meltwater stonefly 47 subalpine fir 47 Puget Sound killer whales 47 Yellowstone cutthroat trout 47 Elkhorns 46 deciduous forests 46 grasshopper sparrow 46 Northern Bobwhite 46 bobwhite 46 Florida scrub jay 46 seedling vigor 46 whitebark pine seeds 46 kochia 46 insect pollinators 46 humpback chub 46 rusty blackbird 46 sage grouse habitat 46 northern leopard frog 46 grassland habitats 46 pheasant populations 46 Isle Royale wolves 46 grizzlies 46 coniferous forests 46 Gunnison prairie dog 46 eastern meadowlark 46 sharp tailed grouse 46 spotted owls 46 aspens 46 flatwoods salamander 46 salamander populations 46 grassland ecosystems 46 alerce 46 scrub jay 46 Bay checkerspot butterfly 46 highland mangabey 46 lodgepoles 46 amphibian declines 46 spruce fir forest 46 akekee 46 tadpole shrimp 46 pygmy owls 46 westslope cutthroat trout 46 pine beetle epidemic 46 tarplant 46 loach minnow 46 conifer trees 46 ptarmigan 46 alpine tundra 46 Noah Greenwald conservation 46 cerulean warbler 46 lodgepole pines 46 barred owl 46 mountain caribou 46 cutthroat trout 45 Greater Yellowstone 45 southwestern willow flycatcher 45 white sided jackrabbit 45 snowshoe hares 45 piñon 45 Endangered Species Act 45 elk herd 45 pine beetle 45 vernal pool habitat 45 little brown myotis 45 ponderosa pine 45 spectacled eider 45 bee populations 45 habitat designation 45 Columbia Basin pygmy 45 WildWest Institute 45 Preble mouse 45 bighorn 45 wolverines 45 chytrid 45 scrub jays 45 Cerulean Warbler 45 vesper sparrow 45 cottonwoods 45 tricolored blackbird 45 lynx 45 waterfowl populations 45 forbs 45 Gregg Losinski 45 mixed conifer 45 grasshopper sparrows 45 beetle epidemic 45 California tiger salamander 45 spruce bark beetle 45 threatened delta smelt 45 Isle Royale moose 45 Barred owls 45 red breasted nuthatch 45 silvery minnow 45 understorey 45 rangeland 45 pika populations 45 spruce fir forests 45 plover 45 unroaded 45 vertebrate species 45 Pacific walrus 45 elk herds 45 least Bell vireo 45 habitat designations 45 bighorn habitat 45 Cheatgrass 45 Bridger Teton 45 alfalfa 45 Karner blue 45 junipers 45 Bonneville cutthroat trout 45 nitrogen fertilization 45 Engelmann spruce 45 Sage grouse 45 boreal toad 45 arroyo toad 45 Sonoran pronghorn 45 overgrazing 44 spruce grouse 44 amphibian species 44 biodiversity 44 Diporeia 44 Kirtland warbler 44 snowpack 44 bay checkerspot butterfly 44 Spotted Owl 44 tiger salamanders 44 red cockaded woodpecker 44 Cabinet Yaak 44 Hine emerald dragonfly 44 shrub steppe 44 Cook Inlet belugas 44 sagebrush 44 Rio Grande silvery minnow 44 Biological Conservation 44 mountain pygmy possum 44 caribou herds 44 wolverine 44 yellow bellied marmot 44 eelgrass 44 cheatgrass 44 Yellowstone grizzly bear 44 successional 44 pronghorn 44 fir forests 44 Giant Sequoia 44 peppergrass 44 nitrogen deposition 44 Alameda whipsnake 44 brood rearing 44 Puget Sound chinook 44 northern goshawk 44 mule deer 44 Sage Grouse 44 grizzly habitat 44 ecoregion 44 montane 44 foraging habitat 44 Peary caribou 44 Biodiversity Conservation Alliance 44 grizzly populations 44 deer fawns 44 nesting habitat 44 Cassin auklet 44 Monarch butterfly reserve 44 Wyoming pocket gopher 44 giant garter snake 44 distinct subspecies 44 piñon pines 44 forest understory 44 western snowy plover 44 lichens 44 kipunji 44 honey bee populations 44 understory 44 Mule deer 44 bobolinks 44 oak savannahs 44 mangabey 44 springsnail 44 dieback 44 pollinating insects 44 Phytophthora ramorum 44 pinyon 44 woodrats 44 black tailed prairie 44 tailed deer 44 Spotted owls 44 nonnative invasive 44 tule elk 44 checkerspot 44 gopher frogs 44 Puget Sound orcas 44 mule deer herds 44 capercaillie 44 spikedace 44 kangaroo rats 44 white tailed prairie 43 kangaroo rat 43 palila 43 Delmarva fox squirrel 43 Gambel oak 43 Wollemi pines 43 ribbon seals 43 yellowhammers 43 bobwhite quail 43 Ed Bangs 43 Cottontail rabbit 43 desert tortoise 43 critically endangered endangered 43 refugia 43 grasses forbs 43 forage grasses 43 chukar 43 apelike creature 43 Donald Molloy 43 understory vegetation 43 staghorn coral 43 golden winged warbler 43 birds amphibians reptiles 43 grasshopper infestations 43 pocket gophers 43 Forest Service 43 ferruginous hawks 43 Bighorn sheep 43 Delta smelt 43 bark beetle infestation 43 stonefly 43 forest tent caterpillars 43 Ips beetle 43 Quino checkerspot butterfly 43 San Francisco garter snake 43 ringed seals 43 mature lodgepole pine 43 ungulates 43 Native Ecosystems 43 subalpine 43 pine rockland 43 early successional habitat 43 massasauga 43 DellaSala 43 golden plover 43 Adelie penguins 43 ptarmigans 43 mule deer herd 43 aspen groves 43 Greg Aplet 43 Gopher tortoise 43 serviceberries 43 redband trout 43 Mexican gray wolf 43 gypsy moth defoliation 43 polar bears 43 cottontail 43 ovenbird 43 Forest Guardians 43 Gunnison Sage grouse 43 honeycreepers 43 Red cockaded woodpeckers 43 endangered pygmy rabbits 43 reed bunting 43 underwater grasses 43 whitetailed deer 43 pollinators 43 Loggerhead Shrike 43 Steens Mountain 43 cactus ferruginous pygmy owl 43 leopard frogs 43 terrestrial ecosystems 43 elk 43 ecosystems 43 mule deer populations 43 Ruffed grouse 43 herbivorous insects 43 winterkill 43 Cabinet Yaak ecosystem 43 akikiki 43 cottontails 43 National Elk Refuge 43 oak savannah 43 megafauna 43 bird species 43 elkhorn corals 43 ungulate populations 43 salamander habitat 43 temperate forests 43 Puget Sound chinook salmon 43 California gnatcatcher 43 Okanogan Wenatchee National 43 boreal forests 43 coho salmon 43 bonytail 43 moose calves 42 wolves grizzlies 42 Canada COSEWIC 42 Henslow sparrow 42 Adam Backlin 42 woody vegetation 42 pine wilt 42 Ponderosa pine 42 Louisa Willcox 42 amphibians 42 sea otter population 42 Steve Torbit 42 mule deer habitat 42 Absaroka Mountains 42 Bornean clouded leopard 42 ponderosa pines 42 burrowing owls 42 yellow starthistle 42 Spotted owl 42 common murres 42 saiga 42 Adrian Wydeven 42 FWS 42 Yellowstone grizzly population 42 Snake River sockeye 42 Kaibab Plateau 42 Ruth Wenstrom spokeswoman 42 longleaf 42 leaf beetles 42 upland habitat 42 proso millet 42 snowy plovers 42 sea otter 42 shorebird 42 oak savanna 42 alfalfa growers 42 Ips beetles 42 clearcuts 42 clover alfalfa 42 jack pine trees 42 sea otters 42 ferruginous hawk 42 sea turtle populations 42 fairy tern 42 Black footed ferrets 42 habitat degradation 42 conifer forests 42 migratory bird species 42 BiOp 42 pine marten 42 gray partridges 42 red cockaded woodpeckers 42 Preble meadow jumping 42 Roadless areas 42 Spotted knapweed 42 Florida scrub jays 42 Algodones Dunes 42 Florida panther 42 pygmy possum 42 medusahead 42 Kearney buckwheat 42 Gila chub 42 San Bernardino kangaroo rat 42 Data Deficient 42 exclosure 42 quail hunters 42 pocket gopher 42 neotropical migratory birds 42 EarthJustice representing 42 COSEWIC 42 endangered species 42 golden toad 42 spotted knapweed 42 glaciers recede 42 Mountain Pine Beetle 42 winegrapes 42 Mexican gray wolves 42 Whooping crane 42 ivory gull 42 ecoregions 42 wolf predation 42 lowland forests 42 plovers 42 Western snowy plover 42 overabundant deer 42 sagebrush steppe 42 bristlecone pine trees 42 ungulate 42 federally endangered 42 elkhorn 42 bighorn sheep 42 noxious weed 42 snail kite 42 forage 42 oak woodlands 42 downlisted 42 horned lizard 42 Kauai creeper 42 penguin species 42 pine beetle outbreak 42 mixed conifer forests 42 denning 42 mountain plovers 42 hoary marmot 42 biodiversity hotspots 42 Puget Sound steelhead 42 forest ecosystems 42 alpine ecosystems 42 reed buntings 42 Serengeti ecosystem 42 beech forests 42 loggerhead shrike 42 black footed ferrets 42 brown creeper 42 Bachman sparrow 42 frog species 42 Steller sea lions 42 Peter Kareiva 42 Stephens kangaroo rat 42 peanut acreage 42 prairie grasslands 42 forest canopies 41 pine beetle outbreaks 41 Florida panthers 41 Doug Honnold 41 balds 41 Garry oaks 41 ashy storm 41 evening grosbeaks 41 Chris Servheen 41 imperiled species 41 dwelling mammal 41 cougar extinct 41 mature lodgepole pines 41 riparian ecosystems 41 Bobwhite quail 41 sugar beet crop 41 overharvested 41 Scrub jays 41 toed woodpecker 41 nonnative trout 41 Eelgrass 41 pronghorns 41 fairy shrimp 41 marten 41 red crossbill 41 vole 41 lynx kittens 41 genetic diversity 41 Chiricahua leopard frogs 41 diporeia 41 overhunted 41 prairie chicken 41 sagebrush ecosystem 41 leafy spurge 41 Overfishing pollution 41 white shouldered ibis 41 shrikes 41 grasses 41 wildlands 41 Chris Servheen grizzly bear 41 sequoia groves 41 golden langurs 41 Grevy zebras 41 seagrasses 41 chinstrap penguins 41 snowpacks 41 gamebird 41 nonfederal lands 41 Mountain pine beetles 41 sylvatic plague 41 wolf reintroduction 41 Greater Sage Grouse 41 Ed Bangs wolf 41 Ursus arctos horribilis 41 loggerhead sea turtles 41 razorback sucker 41 Ecology Letters 41 woody plants 41 unlogged 41 ruffed grouse 41 Kristen Boyles 41 Wildlife Service 41 Delta Smelt 41 native prairie grasses 41 migratory bird populations 41 droughty 41 bumblebees 41 blue winged warbler 41 salmon 41 warmer winters 41 boreal chickadee 41 dunes sagebrush lizard 41 spotted flycatchers 41 biodiversity hotspot 41 Bohemian waxwings 41 rangelands 41 quail habitat 41 burying beetle 41 Mild winters 41 desert bighorn sheep 41 silviculturist 41 vernal pools 41 yellowhead 41 mussel populations 41 grizzly bear habitat 41 prairie grouse 41 Cottontail rabbits 41 RMNP 41 Pacific walruses 41 USFWS 41 Beaverhead Deerlodge 41 dark eyed junco 41 endangered jaguars 41 terrestrial mammals 41 Rio Grande cutthroat trout 41 palo verdes 41 Hanford Reach 41 predator prey relationship 41 delta smelt 41 common murre 41 woodlark 41 Biological Diversity 41 mega fauna 41 longleaf pine trees 41 Xerces Society 41 redpolls 41 shagbark hickory 41 avian species 41 tobacco budworm 41 frogs salamanders 41 coordinator Chris Servheen 41 orangutan populations 41 wildlife habitat 41 Andrew Derocher 41 Seminoe Mountains 41 longfin smelt 41 mohua 41 Coral bleaching 41 Ponderosa pines 41 Least Concern 41 Amazonian rainforest 41 emerald ash borer larvae 41 Dall sheep 41 Dartford warbler 41 westslope cutthroat 41 Sumatran orangutans 41 penguin chicks 41 mountain snowpacks 41 mule deer antelope 41 giant sequoia trees 41 insect infestations 41 ponderosas 41 habitats 41 spokeswoman Mary Cernicek 41 herbivores 41 Sharp tailed grouse 41 Yangtze finless porpoise 41 footed albatross 41 Maguire daisy 41 Invertebrate Conservation 41 Noah Greenwald endangered species 41 called Abydosaurus mcintoshi 41 wolf populations 41 bryozoan 41 Snowpack 41 wintering elk 40 boreal caribou 40 orchardgrass 40 short eared owl 40 gopher frog 40 Sprague pipit 40 grizzly bear 40 boreal 40 vegetation 40 Jonkel 40 goshawk 40 hellbender 40 fur bearer 40 Overgrazing 40 ponderosa pine forest 40 pinon trees 40 longleaf pine 40 hawks eagles 40 prussic acid poisoning 40 coastal sage scrub 40 Yellowstone bison 40 bottomland hardwood 40 wetland vegetation 40 longleaf pine ecosystem 40 timber harvest 40 bobolink 40 California condors 40 Umpqua Watersheds 40 perennial grasses 40 caribou calving grounds 40 fawns 40 Stripe rust 40 ponderosa pine Douglas fir 40 cogon grass 40 wildlife ecologist 40 Manzanos 40 roadless forests 40 prairie dog 40 buffelgrass 40 nonnative predators 40 bighorn herds 40 migratory songbird 40 Slown 40 Preble meadow mouse 40 upland bird 40 Rocky Mountain bighorn sheep 40 Western Snowy Plover 40 fynbos 40 overbrowsing 40 Caribou Targhee 40 Near Threatened 40 Yaak Valley 40 spokeswoman Elizabeth Slown 40 Huachucas 40 honeybee population 40 kelp forests 40 grasshopper populations 40 overgrazed 40 bears hibernate 40 caribou 40 endangered salmon 40 elk bighorn sheep 40 northern bobwhite 40 Przewalski horse 40 streamside 40 Karner blues 40 cottontail rabbit 40 hermit thrushes 40 Porcupine caribou herd 40 deer herds 40 boreal owls 40 dickcissel 40 Conata Basin 40 caribou habitat 40 overhunting 40 Tall fescue 40 hybrid poplar 40 prolonged drought 40 piñon juniper 40 Nooksack dace 40 warbling vireo 40 Scottish crossbill 40 Armillaria 40 endangered songbird 40 Swainson hawks 40 loggerhead shrikes 40 upland sandpiper 40 woodlands grasslands 40 Steller sea lion 40 greenback cutthroat trout 40 Mark Shieldcastle 40 Peirson milk vetch 40 Serreze 40 glacial melt 40 eel grass 40 rootworms 40 endangered Chinook salmon 40 pteropods 40 Amur leopard 40 roadless 40 Shawn Sartorius 40 mouse lemurs 40 tidewater goby 40 northern fur seals 40 Yellowstone elk herd 40 tufted puffins 40 alfalfa hay 40 Joe Maurier 40 knapweed 40 bog turtle 40 piping plover 40 Maricopa Audubon Society 40 coaster brook trout 40 nitrogen fixation 40 salmonids 40 grasslands 40 biodiverse ecosystems 40 shrubland 40 cougar kittens 40 durum acreage 40 cottontail rabbits 40 reintroduce wolves 40 warbler species 40 cereal rye 40 eastern meadowlarks 40 Spotted Owls 40 climatic variability 40 Climate Impacts Group 40 boreal forest 40 England cottontail 40 subspecies 40 Siskiyou Mountains 40 rangeland grasses 40 herbage 40 reintroducing lynx 40 Matteo Garbelotto 40 black brant 40 gnatcatcher 40 Grauer gorilla 40 bearded vulture 40 riparian habitats 40 yellow bellied marmots 40 forages 40 northern goshawks 40 Gunnison Basin 40 roadless areas 40 piñon pine 40 Henslow sparrows 40 livestock grazing 40 plains bison 40 condor chick 40 rhododendron thickets 40 sugarbeet 40 trumpeter swans 40 cordgrass 40 cassowaries 40 Himalayan oaks 40 Lahontan cutthroat 40 Gambel quail 40 marmots 40 splittail 40 forest ecologist 40 drylands 40 caecilians 40 shortleaf pine 40 eared owl 40 oat crop 40 Blanding Turtle 40 Bonneville cutthroat 40 Kilimanjaro glaciers 40 longspurs 40 whooping crane 40 Barn owls 40 uncollared wolves 39 Threatened Species 39 Joan Jewett 39 mammal species 39 Kincaid lupine 39 leatherbacks 39 kangaroo overpopulation 39 Ochoco National 39 Bicknell Thrush 39 deer wintering 39 koala habitat 39 rusty blackbirds 39 meadow pipits 39 IUCN 39 Prairie Grasslands 39 understory plants 39 soils 39 acidification 39 juniper trees 39 tamarisk 39 Saltcedar 39 mammoths mastodons 39 Amazonian forest 39 musk ox 39 ancient redwoods 39 forests 39 salamander 39 Cook Inlet beluga whale 39 Sea otters 39 mesquite trees 39 Pinta Island 39 riparian corridors 39 reindeer herds 39 Blanding turtle 39 sharptail 39 migrating shorebirds 39 Cernicek 39 Elk Refuge 39 Dalmatian toadflax 39 vaquita 39 Sumatran elephant 39 aphid infestations 39 grassland ecosystem 39 Archey frog 39 wild salmon 39 timber harvests 39 blanket bog 39 upland prairie 39 Trumpeter swan 39 Beaverhead Deerlodge National 39 wheat stem sawfly 39 Sandhill crane 39 Washakie Wilderness 39 Galapagos penguin 39 Lassen Peak 39 dryland cotton 39 biocontrol 39 merchantable timber 39 gray wolf populations 39 Prussic acid 39 nonnative grasses 39 pine beetle infestations 39 saber tooth cats 39 takahe 39 Marbled Murrelet 39 marine ecosystems 39 wolf cubs 39 reindeer herding 39 aquatic invertebrates 39 insectivores 39 Noxious weeds 39 roadless rule 39 Houbara Bustard 39 Brett Wiedmann 39 coyote predation 39 cassowary 39 Native Ecosystems Council 39 lowland gorillas 39 caribou populations 39 desert tortoise habitat 39 aquatic insects 39 aquatic insect 39 koala populations 39 IPSNY 39 Moapa dace 39 carnivore species 39 boreal owl 39 steelhead trout 39 aphid populations 39 merlins 39 golden crowned kinglet 39 Adélie penguins 39 cottonwood willow 39 Bill Crapser 39 pathogen Phytophthora ramorum 39 Klamath Basin 39 floristic 39 Douglas firs 39 grasses legumes 39 giant ragweed 39 endangered wood storks 39 chalk grassland 39 Buffelgrass 39 ashy storm petrels 39 namesake Taz 39 Sei whales 39 wombat 39 Waterton Glacier 39 alkaline soils 39 short eared owls 39 bison herds 39 Craighead Beringia South 39 grebe 39 white tailed deer 39 critically endangered 39 snowy plover 39 dryland crops 39 Headwaters Economics 39 lynx reintroduction 39 pasture grasses 39 panther habitat 39 livestock depredations 39 lowland rainforests 39 WildEarth Guardians 39 Organic Seed 39 upland forests 39 wolf delisting 39 deer elk moose