Related by context. Frequent words. (Click for all words.) 56 arctic fox 55 frogs salamanders 55 Barn owls 54 capercaillie 54 quoll 54 goannas 54 song thrush 54 bears mountain lions 53 elk bison 53 Sea otters 53 cassowary 53 Loggerhead turtles 52 skink 52 pine martens 52 echidnas 51 species 51 woodland caribou 51 insectivores 51 wombat 51 elk moose 51 petrels 51 Sumatran rhinoceros 51 overharvested 50 wombats 50 pine marten 50 hawksbill 50 montane 50 tigers leopards 50 mammals reptiles 50 lapwing 50 yellow legged frogs 50 frogs toads 50 Arctic foxes 50 underground burrows 50 charismatic megafauna 50 endangered mammal 50 elephants rhinos 49 Yellowstone cutthroat 49 murrelet 49 Healesville Sanctuary 49 Grizzly bears 49 Tibetan antelopes 49 anglerfish 49 muntjac 49 insect pollinators 49 mountain plover 49 bilby 49 weka 49 Nile crocodile 49 Bicknell thrush 49 distinct subspecies 49 red shouldered hawks 49 biodiversity hotspots 49 temperate forests 49 takahe 49 bandicoots 49 horned dinosaurs 49 Snow leopards 48 BY VINCENT MAO 48 rabbits squirrels 48 Polar bears 48 biodiversity hotspot 48 hawksbill turtles 48 Amazonian rainforest 48 yellow legged frog 48 goshawks 48 tree ferns 48 freshwater fishes 48 endemic species 48 pteropods 48 Coral reef 48 Antarctic krill 48 cassowaries 48 Grevy zebra 48 Bighorn sheep 48 ptarmigan 48 dingos 48 leatherback sea turtles 48 harlequin ducks 48 Western lowland gorillas 48 Fin whales 48 freshwater crocodiles 48 Opossums 48 voracious predators 47 Yellowstone cutthroat trout 47 climatic extremes 47 arctic foxes 47 whitebark pine trees 47 leopard frogs 47 horned rhino 47 coral ecosystems 47 conifer forests 47 lapwings 47 Yellowstone grizzlies 47 Hawaiian monk seals 47 dunlin 47 mammal 47 Whales dolphins 47 mammals 47 marbled murrelet 47 poison dart frogs