Related by context. Frequent words. (Click for all words.) 55 Mexican gray wolves 53 California condors 50 black footed ferrets 49 wildlife biologists 49 Mexican gray wolf 48 National Wildlife Refuges 48 Sage grouse 46 trumpeter swans 46 greater sage grouse 46 grazing allotments 46 wildlife refuges 45 migrating waterfowl 45 gray wolves 45 black footed ferret 45 migratory waterfowl 44 refuges 44 biologists 44 condors 44 California condor 44 imperiled species 44 USFWS 44 mountain lions 44 Grizzly bears 44 pronghorn 44 grizzly bears 43 elk hunters 43 burrowing owl 43 sea otters 43 gray wolf 43 blue winged teal 43 wolf packs 43 fish hatcheries 43 Wildlife Service 42 lynx 42 wild turkeys 42 desert tortoises 42 plovers 42 barred owls 42 Yellowstone bison 42 pronghorn antelope 42 Steller sea lions 42 bald eagles 42 Wildlife biologists 42 mule deer 42 Endangered Species List 42 grizzlies 42 trappers 42 bighorn sheep 42 mallard ducks 41 nesting pairs 41 endangered species 41 waterfowlers 41 burrowing owls 41 Indian tribes 41 fairy shrimp 41 pintails 41 spotted owls 41 sage grouse habitat 41 golden eagles 41 river otters 41 wolves 40 captive breeding 40 penguin species 40 sandhill crane 40 avian species 40 cutthroat trout 40 wolf populations 40 sage grouse 40 bighorns 40 Bison Range 40 pheasant hunters 40 loggerhead sea turtles 40 Amur tigers 40 fisheries biologists 40 whooping crane 40 elk herds 39 scrub jay 39 Burmese pythons 39 ranchers 39 Pacific Flyway 39 gray whales 39 wild mustangs 39 jaguars 39 breeding pairs 39 monk seals 39 waterfowl hunters 39 woodland caribou 39 bison 39 species 39 desert tortoise 39 FWS 39 wildlife 39 captive bred 39 pikas 39 prairie dogs 38 whooping cranes 38 Endangered Species Act 38 bull trout 38 ocelots 38 Pacific walrus 38 sagebrush