Related by context. Frequent words. (Click for all words.) 60 Whirling disease 60 Scuba divers donned flippers 58 leopard frog 58 dolphins wash ashore 57 golden toad 55 spruce budworm 55 sea turtle caked 55 Purple loosestrife 55 rivers dammed 54 frogs salamanders 54 Missing boater 54 Emerald ash borers 53 migrated northward 53 Great blue herons 53 Missing hiker 53 leopard frogs 53 southwestern willow flycatcher 53 Toxic algae 53 Ancient tomb 52 PittsburgMo 52 Laramidia 52 migrating northward 52 Southwestern willow flycatcher 52 overwinters 52 yellow warblers 52 torrential monsoon downpours 52 Didymosphenia geminata 52 razorback sucker 52 By RUSS PULLEY 52 woolly adelgid 52 foxes raccoons 52 Soybean aphids 51 hellbender 51 chytridiomycosis 51 protozoan parasite 51 Denisova Cave 51 salinisation 51 Pinta Island 51 blister rust 51 spiders scorpions 51 loggerhead shrike 51 lynx kittens 51 Knotweed 51 Rain swollen rivers 51 Pharos lighthouse 51 fall armyworm 51 Directors Dealings notification 51 Tornadoes rip 51 pinon pine 51 beak deformities 50 By RANDOLPH HEASTER 50 Heavy rainfalls 50 Winds howled 50 frogs snakes 50 By MIKE DeARMOND 50 Microcystis 50 denuded mountains 50 Chronic wasting disease 50 frogs turtles 50 pygmy rabbits 50 common murres 50 lodgepole pine forests 50 Algal blooms 50 salt cedars 50 Omo River 50 Trash PAID 50 gray heron 50 watermilfoil 50 horned lizard 50 Volcano erupts 50 curly leaf pondweed 50 tent caterpillar 50 Armyworms 50 Feral pigs 50 humpback chub 50 merlins 49 Strawberry Reservoir 49 Coronaviruses 49 Trumpeter swans 49 Spider mites 49 Excess nutrients 49 Driftless Area 49 Quake triggers 49 Lemolo Lake 49 By Jason Graziadei 49 infected mosquitos 49 By PAUL HORSLEY 49 Gypsy moths 49 overloaded canoe capsized 49 Wildfires rage 49 Posted -# sec 49 migratory bird populations 49 Methylmercury 49 ring necked ducks 49 trematode 49 By DAVID BOYCE 49 Cows graze 49 Xcalak 49 northern gannet 49 By HOWARD RICHMAN 49 waterfowl habitats