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(Click for frequent words.) 56 polar bears 55 harp seal population 54 Peary caribou 53 northern spotted owls 53 ocean ecosystems 53 Steller sea lions 53 Cook Inlet belugas 52 caribou herds 52 mountain glaciers 51 woodland caribou 51 waterbird species 51 marine ecosystems 50 grizzly populations 50 Antarctic minke whales 50 caribou populations 50 wolf populations 49 breeding pairs 49 mountain caribou 49 caribou herd 49 species 49 sea turtle populations 49 downlisted 49 marbled murrelet 49 subsistence hunters 49 shorebird species 49 Arctic Ocean 49 beluga sturgeon 49 groundfish stocks 48 ribbon seals 48 narwhal 48 sage grouse populations 48 ecoregions 48 glaciers 48 polar bear habitat 48 sea otter population 48 waterbird populations 48 amphibian populations 48 seabird populations 48 polar bear 48 COSEWIC 48 gray wolf populations 48 steelhead populations 48 nesting pairs 48 grizzly bears 48 bowhead whales 47 walrus polar bears 47 marbled murrelets 47 Snake River sockeye 47 Mexican garter snake 47 Isle Royale wolves 47 overhunted 47 critically endangered endangered 47 herring fishery 47 beluga populations 47 sea turtle species 47 IUCN Red 47 terrestrial ecosystems 47 Arctic 47 brook trout populations 47 Beluga sturgeon 47 lynx 47 Porcupine caribou herd 47 Puget Sound orcas 47 Andrew Derocher 46 Yellowstone ecosystem 46 bull trout 46 coral ecosystems 46 Boris Worm 46 splittail 46 grizzlies 46 Pacific walruses 46 Puget Sound chinook 46 seabird species 46 ecosystems 46 Yellowstone cutthroat 46 Woodland caribou 46 Cook Inlet beluga whale 46 murrelets 46 bee populations 46 deepwater corals 46 tuna fishery 46 cormorant populations 45 sea otter populations 45 trawl fisheries 45 endangered beluga whales 45 penguin species 45 Fraser sockeye 45 grassland birds 45 orangutan populations 45 Spotted owl 45 Antarctic Peninsula 45 anthropogenic greenhouse gases 45 porbeagle sharks 45 coaster brook trout 45 eastern lowland gorillas 45 Beaufort Sea 45 tiger subspecies 45 cetacean species 45 freshwater 45 endangered species 45 Cook Inlet beluga whales 45 Moapa dace 45 spoon billed sandpiper 45 shortnose sturgeon 45 overfished 45 wolverines 45 Irrawaddy dolphin 45 Bonneville cutthroat trout 45 Adelie penguins 45 Amstrup 45 Cultus Lake sockeye 45 black legged kittiwakes 45 deer herds 45 murrelet 45 overfishing 45 carnivore species 45 Bering seas 44 whales 44 adversely modify 44 salmonid species 44 polar oceans 44 loggerhead sea turtles 44 stratospheric ozone 44 seagrasses 44 migratory waterbirds 44 Caribou herds 44 reindeer herds 44 longline fisheries 44 Boreal forests 44 musk oxen 44 polar bears walruses 44 Endangered Species Act 44 Polar bears 44 pheasant populations 44 critically endangered tiger subspecies 44 muskoxen 44 belugas 44 Steller eiders 44 glaciers retreating 44 False killer whales 44 habitat 44 Kilimanjaro glaciers 44 subsistence harvests 44 leatherback sea turtles 44 harp seals 44 amphibian species 44 Cabinet Yaak 44 Mediterranean bluefin tuna 44 elk herds 44 caribou 44 waterfowl populations 44 boreal regions 44 threatened woodland caribou 44 marine ecosystem 44 Nooksack dace 44 Inuit hunters 44 groundfish fisheries 44 black footed ferret 44 Marine Mammal Protection 44 mammals 44 Kittlitz murrelets 44 acidic oceans 44 overhunting 44 seagrass meadows 44 polar bears whales 44 Steller sea lion 44 rhino populations 43 penguin colonies 43 Panthera tigris sumatrae 43 Snake River salmon 43 vaquita 43 sea otters 43 Sundarbans tigers 43 marine mammals 43 spectacled eider 43 bird species 43 akekee 43 western snowy plover 43 Hector dolphins 43 hatchery salmon 43 boreal caribou 43 Marine Mammals Protection 43 cormorant population 43 Colorado pikeminnow 43 bowhead 43 leatherbacks 43 Yangtze finless porpoise 43 overfishing pollution 43 nine tiger subspecies 43 migratory species 43 oceans 43 Yellowstone grizzly 43 Pacific leatherback sea 43 coral species 43 migratory bird populations 43 coral reef ecosystems 43 wild salmon 43 walrus 43 bowhead whale 43 Maui dolphin 43 marine biodiversity 43 alpine glaciers 43 Coho salmon 43 ocean acidification 43 Delta smelt 43 protective ozone layer 43 Greenland glaciers 43 spotted owls 43 Kittlitz murrelet 43 juvenile salmonids 43 Preble mouse 43 Cook Inlet beluga 43 Caspian sturgeon 43 boreal forests 43 Warmer seas 43 Steven Amstrup 43 scaup 43 mussel populations 43 Greater Yellowstone Ecosystem 43 western Aleutian Islands 43 humpback chub 43 cod fisheries 43 reef habitats 43 Bathurst caribou herd 43 calving grounds 43 emperor penguin 43 temperate forests 43 scalloped hammerhead 43 Yellowstone grizzly population 43 migratory bird species 43 seabird colonies 43 Porcupine caribou 43 overharvesting 43 delicate ecosystems 43 cormorants 43 Sage grouse 43 subsistence hunting 42 waterbirds 42 Chukchi Sea 42 imperiled species 42 scalloped hammerhead shark 42 Florida panther 42 anthropogenic CO2 emissions 42 Terre Adelie 42 Least Concern 42 neotropical migratory birds 42 longfin smelt 42 endangered leatherback 42 mammoths mastodons 42 extinctions 42 polar bears caribou 42 elkhorn corals 42 Pacific walrus 42 federally endangered species 42 Professor Hoegh Guldberg 42 Antarctic krill 42 Hector dolphin 42 Northern Bobwhite 42 aquatic ecosystems 42 western Aleutians 42 lobster fishery 42 saiga 42 glacial melting 42 Barents Sea cod 42 marine sanctuaries 42 seamounts 42 Puget Sound killer whales 42 Arctic Archipelago 42 habitats 42 dunlin 42 coral reefs 42 endangered whales 42 populations 42 Yellowstone grizzlies 42 lynx habitat 42 greenhouse gas concentrations 42 climate modellers 42 gray wolves 42 endangered marine mammals 42 Quino checkerspot butterfly 42 walruses 42 Polar Biology 42 ivory gulls 42 California condors 42 pika populations 42 Paiute cutthroat trout 42 wolves 42 bald eagles peregrine falcons 42 Prek Toal 42 Bicknell thrush 42 Loggerhead turtles 42 Pristine habitat 42 Stellers 42 snapper fishery 42 Russ Hopcroft 42 gyrfalcons 42 fisheries 42 anthropogenic warming 42 snail kite 42 mating pairs 42 bald eagle nests 42 Harp seals 42 fairy tern 42 spotted owl 42 songbird populations 42 northern fur seals 42 Marilyn Heiman 42 groundfish species 42 Ursus maritimus 42 giant garter snake 42 nesting roseate terns 42 Sarah Chasis director 41 vulnerable marine ecosystems 41 habitat fragmentation 41 circumpolar 41 Cassin auklet 41 Seagrasses 41 forest ecosystems 41 coral reef ecosystem 41 Near Threatened 41 climate modelers 41 salmon 41 longline fishing 41 Puget Sound steelhead 41 NWHI 41 mammal species 41 smalltooth sawfish 41 bumblebee species 41 Overfishing 41 atmospheric carbon dioxide 41 Rio Grande silvery minnow 41 subpopulations 41 wolverine habitat 41 kelp forests 41 golden plover 41 predatory fishes 41 mute swan population 41 Adélie penguins 41 severe droughts 41 overharvest 41 boreal 41 stony corals 41 akikiki 41 antlerless harvest 41 refugia 41 bluefin 41 elk herd 41 megafauna 41 tropical coral reefs 41 Royal Bengal tigers 41 Noah Greenwald conservation 41 reef corals 41 Amur leopards 41 Yellowstone grizzly bear 41 permafrost melting 41 spiny dogfish 41 freshwater fishes 41 greenhouse warming 41 Spotted Owls 41 wolf predation 41 Rebecca Noblin 41 longline fishery 41 little brown myotis 41 recreational angling 41 salmonids 41 overharvested 41 Bedritsky 41 vernal pool species 41 shorebird 41 snow leopards 41 apex predators 41 Maui dolphins 41 boreal forest 41 Sumatran rhinos 41 commercial whaling 41 Migratory species 41 Opposes drilling 41 minke fin 41 Klamath chinook 41 wintering bald eagles 41 elkhorn 41 Inupiat Eskimos 41 polar regions 41 longlining 41 prey ringed seals 41 bonneted bat 41 Igor Semiletov 41 spikedace 41 Gerald Meehl 41 pteropods 41 aquatic ecosystem 41 caribou calving grounds 41 Gunnison sage grouse 41 Norway Svalbard 41 false killer whales 41 desert bighorn 41 Hawaiian monk seals 41 mammal extinctions 41 Listing polar bears 41 coastal ecosystems 41 Trumpeter swans 41 whitetip 41 Balearic shearwater 41 woodland caribou herds 41 habitat designation 41 grizzly bear habitat 41 threatened delta smelt 41 Yellowstone cutthroat trout 40 honeybee population 40 short tailed albatross 40 Minke whales 40 dugongs 40 Caspian Sea sturgeon 40 Hine emerald dragonfly 40 Nelchina Basin 40 northern spotted owl 40 mega deltas 40 Siberian tigers 40 nesting colony 40 Biological Conservation 40 Polar Bear Specialist 40 lesser scaup 40 tailed deer 40 sockeye salmon fishery 40 reindeer herding 40 snowy plovers 40 Canada Boreal Forest 40 native cutthroat trout 40 elkhorn coral 40 Southwestern willow flycatcher 40 Orcinus orca 40 oceanic islands 40 pygmy rabbit 40 ocean basins 40 Climate Impact Assessment 40 critically endangered mammals 40 seafloor habitats 40 fishery 40 vertebrate species 40 oceans coasts 40 sage grouse leks 40 Servheen 40 sockeye salmon 40 DellaSala 40 beluga whales 40 Doug Mecum 40 Jane Ferrigno 40 groundfish 40 Diporeia 40 polar bear cubs 40 white sided jackrabbits 40 amphibian declines 40 inshore fisheries 40 eastern meadowlark 40 Bering Chukchi 40 common scoter 40 mottled duck 40 greenshank 40 foraging habitat 40 wood stork 40 crocodilians 40 functionally extinct 40 cetacean populations 40 eider duck 40 Scambos 40 pronghorn 40 white tailed deer 40 Delta Smelt 40 critically endangered species 40 NSIDC 40 Bali Javan 40 biodiversity 40 iceberg calving 40 threatened marbled murrelet 40 reintroducing lynx 40 Sei whales 40 anthropogenically 40 overexploited depleted 40 Adelies 40 Yellowstone grizzly bears 40 smooth hammerhead 40 wildlife 40 roundtail chub 40 USFWS 40 subarctic regions 40 warmer winters 40 whitebark pines 40 Steve Kallick 40 chinstrap penguins 40 wintering habitat 40 delta smelt 40 atmospheric CO2 levels 40 shorebird populations 40 Mediterranean monk seals 40 Canada COSEWIC 40 Leatherback turtles 40 honeybee populations 40 mountain plover 40 freshwater crocodiles 40 freshwater ecosystems 40 shortfin mako 40 humpback minke 40 mule deer herds 40 biota 40 Sumatran orangutans 40 moose 40 ferruginous hawks 40 coccolithophores 40 Bornean clouded leopard 40 bluefin tuna 40 Northern Spotted Owl 40 Polar Regions 40 capercaillie 40 habitat designations 40 ungulate populations 40 vaquitas 40 endangered mammal 40 snowshoe hares 40 Puget Sound chinook salmon 40 flatback turtles 40 icesheets 40 river basins 39 owl habitat 39 orca whales 39 sockeye 39 cod 39 seals walrus 39 warmings 39 gray whales 39 Broughton Archipelago 39 Boreal Songbird Initiative 39 grizzly habitat 39 cod fishery 39 rarest birds 39 Schlickeisen 39 Hugh Vickery 39 receding glaciers 39 climatic variability 39 westslope cutthroat trout 39 Ren Lohoefener 39 NOAA Fisheries 39 inshore fishery 39 mule deer herd 39 Continental Divide Ecosystem 39 moose herds 39 tropical glaciers 39 squid scarcer Nascimento 39 Wilkins Ice Shelf 39 fluvial arctic grayling 39 bald eagles 39 golden toad 39 salmon aquaculture 39 dunes sagebrush lizard 39 caribou habitat 39 loons grebes 39 avifauna 39 cycad species 39 Biological Diversity 39 Mexican spotted owl 39 Whales dolphins 39 Greenland Antarctica 39 Hen harriers 39 avian species 39 hawksbill sea turtles 39 gamebirds 39 white shouldered ibis 39 pollinator populations 39 Chukchi seas 39 hypoxic zone 39 white fronted geese 39 bowheads 39 Grizzly bears 39 apex predator 39 mule deer populations 39 overexploitation 39 kittiwake 39 barnacle goose 39 freshwater turtles 39 Woodland Caribou 39 Inuit peoples 39 reefs 39 orcas 39 ringed seals 39 deer herd 39 marine mammal 39 Sergi Tudela 39 boreal chickadee 39 Amur tigers 39 Leatherback sea turtles 39 warm interglacial 39 birds amphibians reptiles 39 Himalayan glaciers 39 eastern lowland gorilla 39 habitat degradation 39 arctic foxes 39 manatees 39 melting glaciers 39 leatherback turtles 39 wolves roam 39 Mediterranean bluefin 39 Resident killer whales 39 recreational fishery 39 subspecies 39 Florida scrub jay 39 furbearing animals 39 native brook trout 39 underwater grasses 39 groundfish fishery 39 red necked phalarope 39 Romero Lankao 39 grasshopper sparrow 39 Fortymile herd 39 Doug Inkley senior 39 BiOp 39 seals sea otters 39 cod plaice 39 tidewater glaciers 39 cervids 39 ecoregion 39 coast horned lizard 39 Pew Oceans Commission 39 Irrawaddy dolphins 39 Bicknell Thrush 39 tidewater goby 39 Roadless areas 39 Scotian Shelf 39 Amur leopard 39 bearded seals 39 honeycreepers 39 greater sage grouse 39 Caviar Emptor 39 genetically distinct 39 endangered Sonoran pronghorn 39 northern goshawk 39 saved Hammerschlag 39 river herring 39 Migratory bird 39 delist gray wolves 39 Mule deer 39 Bewick swans 39 Julia Marton Lefèvre 39 nesting seabirds 39 overgrazing 39 northern pintails 39 ocean acidity 39 warbler species 39 harbor porpoises 39 Bewick swan 39 insect populations 39 shrimp fishery 39 Krkosek 39 Stellar sea lions 39 Nirlungayuk 39 coral reef degradation 39 thawing tundra 39 wolves grizzlies 39 coldwater species 39 melting permafrost 39 petrels 39 coral reef biodiversity 39 deglaciation 39 endangered species protections 39 Ussuri tigers 39 eastern meadowlarks 39 monk seal 39 common murres 39 flatback turtle 39 Antarctic peninsula 39 Red cockaded woodpeckers 39 Antarctica 39 benthos 39 Asiatic cheetahs 39 breeding waders 39 anadromous fish 39 Endangered Wildlife 39 mackerel fishery 39 paleoclimatic 39 cetaceans whales dolphins 39 Tony Iallonardo 38 Greenland icesheet 38 sagebrush habitat 38 Overharvesting 38 Otto Bliesner 38 slender billed curlew 38 Lake Sammamish kokanee 38 mule deer 38 biogeographic 38 brook trout 38 whales dolphins 38 species extinctions 38 Species Conservation 38 corals 38 Amur Manchurian 38 Qinghai Tibet plateau 38 Florida panthers 38 Tropical rainforests 38 panda habitats 38 Antarctic 38 auklets 38 endangered bowhead whales 38 redband trout 38 nonnative predators 38 rusty blackbird 38 cactus ferruginous pygmy owl 38 king salmon bycatch 38 green hawksbill 38 cetaceans 38 gray wolf 38 piping plovers 38 predator prey relationships 38 narwhals 38 seabird breeding 38 Coral reef ecosystems 38 chinook salmon 38 polar icecap 38 Great Lakes basin 38 spotted owl habitat 38 porbeagle 38 minkes 38 Peter Ewins 38 humpbacks 38 National Marine Fisheries 38 Antarctic ice 38 Wading birds 38 Puget Sound orca 38 curlew 38 longfin 38 white sided jackrabbit 38 Carl Gustaf Lundin 38 fur seals 38 Derocher 38 elk calves 38 Porcupine Caribou Herd 38 polynyas 38 whitetail herd 38 atmospheric circulation 38 mountain plovers 38 freshwater lakes 38 continental shelf 38 snowshoe hare 38 towering icebergs 38 called Abydosaurus mcintoshi 38 shortfin mako sharks 38 CITES Appendix II 38 Dr Stuart Butchart 38 mammal 38 seabirds 38 rookeries 38 NatureServe 38 Serreze 38 midlatitude 38 unroaded 38 pollock fishery 38 Jim Balsiger 38 pikas 38 geoduck farming 38 grizzly bear 38 Canis lupus 38 saiga antelope 38 wild brook trout 38 polar bears seals 38 fisheries bycatch 38 Rio Grande cutthroat trout 38 majestic creatures 38 Hoegh Guldberg 38 shrikes 38 Populations 38 endangered seabird 38 northern pintail 38 alpine ecosystems 38 Pikitch 38 Bottom trawlers 38 Greenland ice 38 carbon dioxide concentrations 38 Inuits 38 NMFS 38 biogeochemical processes 38 Shaye Wolf biologist 38 Gunnison Sage Grouse 38 denning habitat 38 anthropogenic emissions 38 pollock cod 38 landmasses 38 seals walruses 38 glacial melt 38 Lara Tessaro 38 white tailed eagles 38 hunted whales 38 Biogeography 38 Wadden Sea 38 fur bearer 38 admiral asks 38 Gangetic dolphins 38 spectacled eiders 38 Recreational fishermen 38 Bering Sea pollock fishery 38 common murre 38 sage grouse 38 wild sockeye salmon 38 endangered marine mammal 38 bonytail chub 38 humphead wrasse 38 Fin whales 38 seagrass habitat 38 endangered roseate terns 38 removing gray wolves 38 marine invertebrates 38 coastal upwelling 38 biosphere 38 monk seals 38 Marine Protected Areas 38 salmon steelhead 38 polar ice 38 eider ducks 38 shovelnose 38 Arctic Caribou Herd 38 Sockeye Salmon 38 Delmarva fox squirrel 38 caribou polar bears 38 sooty shearwaters 38 Threatened Species 38 deer densities 38 Endangered Species List 38 pronghorn antelope 38 crab harvests 38 Great Bear Rainforest 38 mussel species 38 Antarctic minke 38 Beaufort Seas 38 tidal wetlands 38 Bonneville cutthroat 38 estuarine crocodiles 38 carnivorous predators 38 bluefin fishery 38 aquatic habitats 38 loach minnow 38 scallop fishery 38 nesting peregrines 38 CO2 concentrations 38 Gray Whales 38 EarthJustice representing 38 wolves mountain lions 38 razorback sucker 38 underwater Lomonosov Ridge 38 subarctic 38 aplomado falcon 38 sagebrush ecosystem 38 sharp tailed grouse 38 Laysan albatrosses 38 Brendan Cummings 38 Lunny oyster farm 38 nesting eagles 38 eastern cougar subspecies 38 Bycatch 38 scimitar horned oryx 38 eared grebes 38 cutthroat trout 38 whales polar bears 38 harvestable surplus 38 nonmigratory 38 minke whale 38 waterfowl biologists 38 pika 38 Taylor checkerspot 38 Zeebe 38 pronghorns 38 magnetic substorms 38 Todd Malmsbury 38 ringed seal pups 38 Loggerhead Shrike 38 cetaceans whales 38 Cape Adare 38 Amazonian forests 38 wolf packs 38 groundfish boats 38 Bornean orangutans 38 Glenn Therres 38 akepa 38 overbrowsing 38 Gila chub 38 Black footed ferrets 38 toothed whales 38 southwestern willow flycatcher 38 pallid sturgeon 38 roseate tern 37 Critically Endangered 37 eelgrass 37 endangered wood storks 37 early successional forest 37 black brant 37 salamander species 37 muskox 37 outlet glaciers 37 Barred owls 37 Thawing permafrost 37 huckleberry crop 37 Longfin smelt 37 Galapagos penguin 37 brant 37 killer whales 37 melting Arctic 37 freshwater habitats 37 northern rockhopper penguins 37 federally endangered 37 interglacial period 37 ivory gull 37 snubfin 37 pliosaur ferocious predator 37 oystercatcher 37 faunas 37 longline fleet 37 surf scoters 37 fragile marine ecosystems 37 coyote predation 37 wintering waterfowl 37 glacier shrinkage 37 pipistrelle bat 37 circumpolar Arctic 37 sturgeon striped bass 37 biologically diverse ecosystems 37 Inuit elders 37 biologists 37 Sacramento splittail 37 vesper bats 37 nesting habitat 37 Grevy zebra 37 ptarmigans 37 sturgeon spawning 37 Ussuri tiger 37 Manx shearwaters 37 bycatch 37 Spotted owls 37 NOAA fisheries 37 Scandinavian fjords 37 gray wolf Canis lupus 37 pygmy rabbits 37 footed albatross 37 spokesman Todd Malmsbury 37 blue fin tuna 37 fishing fleets 37 fished sustainably 37 mottled ducks 37 Bob Lohn 37 northern goshawks 37 spruce grouse 37 Sea otters 37 Balkan lynx 37 plesiosaurs 37 icecaps 37 Luthcke 37 nesting bald eagles 37 caecilians 37 herring fisheries 37 glacier calving 37 fin whales 37 Arctic Coastal Plain 37 Grevy zebras 37 sage grouse breeding 37 turtle strandings 37 biodiversity hotspots 37 glaciers melting 37 Grauer gorillas 37 seals sea lions 37 Transient killer whales 37 finned fish 37 American Cetacean Society 37 Wildlife biologists 37 Laysan Island 37 exhaustible resources 37 icefields 37 shrinking glaciers 37 Norwegian Polar 37 nonfederal lands 37 Chukchi 37 timber rattlesnake 37 whale sanctuary 37 godwits 37 critically endangered 37 migratory bird 37 staghorn coral 37 endangered scalloped hammerhead 37 longline fleets 37 Wrangel Island 37 Jim Balsiger NOAA 37 basking sharks 37 Bluefin tuna 37 marine habitats 37 aquatic species 37 Ringed seals 37 razorbill 37 black capped vireo 37 calcifying organisms 37 wolverine populations 37 salmon fishery 37 overabundant deer 37 Isle Royale wolf 37 hawksbill turtles 37 Beluga whales 37 Molnia