Related by context. Frequent words. (Click for all words.) 50 endangered species 47 Endangered Species Act 47 endangered 46 Migratory Bird Treaty 46 piping plovers 46 bald eagles 46 imperiled species 45 wildlife habitat 45 endangered species protections 45 habitat 45 National Wildlife Refuges 44 wildlife refuge 44 Endangered Species List 43 wildlife refuges 43 habitat designation 43 California condors 43 constitutionally protected 42 nesting habitat 42 desert tortoises 42 wetlands 42 gopher tortoises 42 black footed ferrets 42 wildlife 42 aquatic habitat 42 piping plover 41 sea otters 41 tidal wetlands 41 wildlife habitats 41 habitat restoration 41 salmon spawning 41 sage grouse habitat 41 desert tortoise 41 Wildlife Refuge 41 California condor 40 FWS 40 keystone species 40 bald eagle 40 interstate commerce 40 shorebirds 40 Bald eagles 40 habitats 40 Wildlife Service 40 vernal pool 40 shorebird 39 motorized recreation 39 freshwater wetlands 39 elk herds 39 spotted owls 39 navigable waters 39 feral swine 39 riparian habitat 39 raptors 39 wildlands 39 endangered whales 39 loggerhead sea turtles 39 sea lions 39 bull trout 39 salt marsh 39 grizzly bears 39 Everglades 39 National Wildlife Refuge 39 Indian tribes 39 plovers 39 species 39 migratory species 39 mute swans 38 Delta smelt 38 sandhill crane 38 Endangered species 38 gopher tortoise 38 subsistence hunting 38 Clean Water Act 38 livestock grazing 38 marine mammals 38 vernal pools 38 plover 38 whooping crane 38 Marine Mammal Protection 38 wetland habitats 38 otters 38 Endangered 37 ducks geese 37 endangered salmon 37 migratory waterfowl 37 Preserve 37 Grand Teton National 37 federally recognized 37 raptor 37 wilderness designation 37 Response Compensation 37 burrowing owl 37 spawning beds 37 beluga whales 37 protected 37 Endangered Species 37 Mexican gray wolves 37 lesser prairie 37 federally designated 37 pallid sturgeon 36 Audubon Society 36 invasive species