Related by context. Frequent words. (Click for all words.) 62 endangered species 60 habitat 60 endangered 59 imperiled species 58 Mexican gray wolf 58 habitats 58 steelhead trout 57 delta smelt 57 species 57 critically endangered species 56 riparian habitat 55 bull trout 55 aquatic habitat 55 endangered salmon 55 Delta smelt 55 California condors 54 desert tortoise 54 fragile ecosystems 54 Endangered Species Act 53 aquatic species 53 wetland habitat 53 black footed ferret 53 ecosystems 53 wildlife habitats 52 California condor 52 red legged frog 52 Endangered species 52 bighorn 52 northern spotted owl 52 cutthroat trout 52 critically endangered 52 wildlife habitat 51 pallid sturgeon 51 captive breeding 51 Bald eagles 51 aquatic ecosystems 51 ocean ecosystems 51 endangered sea turtles 51 amphibian species 51 spawning habitat 51 coastal ecosystems 51 biodiversity 50 amphibians 50 watersheds 50 sea otters 50 Threatened Species 50 wildlife 50 sea otter 50 Steller sea lions 50 sage grouse 50 nesting habitat 50 Endangered Species List 50 fragile ecosystem 50 wetlands 50 habitat restoration 50 waterbirds 50 chinook salmon 50 trout fishery 49 plover 49 bald eagle 49 loggerhead turtles 49 otters 49 captive bred 49 Chinook salmon 49 sturgeon 49 lake sturgeon 49 freshwater 49 trumpeter swans 49 marine turtles 49 Endangered 49 brown pelican 49 river otters 49 seagrass beds 49 bird species 49 gopher tortoise 49 frogs 48 steelhead 48 bald eagles 48 estuaries 48 sandhill crane 48 gamefish 48 wading birds 48 shorebird 48 spawning beds 48 burrowing owls 48 monarch butterflies 48 Monarch butterflies 48 conservation 48 condors 48 manatees 48 salamanders 48 sea turtles 48 spotted owls 48 habitat designation 48 bighorn sheep 48 amphibian 48 otter 48 aquatic organisms 48 rivers 47 turtles 47 coho salmon