Related by context. Frequent words. (Click for all words.) 58 habitats 58 wetland habitat 57 wetland habitats 57 habitat 56 grassland habitat 55 tidal marshes 55 wildlife habitats 55 grasslands 54 waterfowl habitat 54 nesting grounds 54 waterbirds 54 Everglades ecosystem 54 wildlife habitat 54 grassland birds 54 bison herds 54 freshwater lakes 54 Invasive plants 53 freshwater ecosystems 53 amphibian populations 53 caribou herds 53 bird species 53 wetlands 53 species 52 lowland forests 52 mussel species 52 nesting habitat 52 Whooping cranes 51 federally endangered 51 Bald eagles 51 sagebrush habitat 51 elephant herds 51 freshwater 51 frogs toads 51 freshwater marshes 51 rookeries 51 bobwhite 51 wetland 51 migratory songbirds 51 Sandhill cranes 51 biologically diverse 51 native brook trout 51 wintering birds 50 aquatic habitats 50 amphibian species 50 hardwood forests 50 Gypsy moths 50 pasturelands 50 rivers 50 breeding colonies 50 freshwater ponds 50 genetically pure 50 waterbodies 50 Peregrine falcons 50 wildlife 50 bobwhite quail 50 avian species 50 lakes 50 biodiversity hotspot 50 wintering grounds 49 virgin forests 49 black footed ferret 49 forests 49 wood stork 49 red legged frogs 49 riparian habitat 49 tidal wetlands 49 ecosystems 49 seagrasses 49 aquatic ecosystem 49 federally endangered species 49 river otters 49 mountain caribou 49 nesting pairs 49 waterholes 49 freshwater mussels 49 watersheds 49 woodland caribou 49 cypress swamps 49 alpine lakes 49 salt marsh 49 herds 49 rookery 49 barrens 48 aquatic species 48 bison herd 48 freshwater lake 48 estuaries 48 endangered species 48 endangered 48 retreating glaciers 48 bee populations 48 waterfowl 48 Feral hogs 48 habitat fragmentation 48 honeybee population 48 boreal 48 freshwater fish 48 panther habitat 48 caribou herd 48 National Wildlife Refuges 48 marsh