Related by context. Frequent words. (Click for all words.) 49 moose elk 49 horned dinosaurs 48 cottontail rabbits 48 saber toothed tigers 48 bears mountain lions 47 Sea otters 47 vertebrate animals 47 marine reptiles 47 feathered dinosaurs 47 feral camels 46 grassy plains 46 elk bison 46 deciduous forests 46 carnivorous dinosaur 46 snail shells 46 baleen whale 46 wolves roam 46 Greater Yellowstone Ecosystem 46 elephants rhinos 46 Indohyus 46 musk oxen 46 Jurassic Period 46 tyrannosaurs 45 woolly mammoths 45 dinosaur species 45 elk moose 45 coyotes foxes 45 Raptorex 45 Fertile Crescent 44 martens 44 timber rattlesnake 44 Tibetan antelopes 44 horned dinosaur 44 ground sloths 44 Omo River 44 plesiosaurs 44 desert bighorn sheep 44 hominid fossils 44 endangered mountain gorillas 43 Florida panthers 43 pikas 43 Cretaceous Period 43 Chimpanzees 43 Sage grouse 43 hominid species 43 trilobites 43 Fossilized 43 megafauna 43 Kalahari desert 43 bison elk 43 Cattle rustling 43 constrictors 43 Gondwanaland 43 wooly mammoth 43 leopard frogs 43 Siberian permafrost 43 lowland gorillas 42 sparse vegetation 42 tyrannosaurus 42 pygmy rabbits 42 bobwhites 42 penguin species 42 elephant herds 42 antelope 42 Rocky Mountain elk 42 Bighorn sheep 42 impalas 42 carnivorous dinosaurs 42 teosinte 42 Late Cretaceous 42 southcentral Alaska 42 garter snakes 42 hoofed animals 42 Raw Materials Automotive 42 cottontail rabbit 42 fossil specimens 41 single celled organisms 41 human habitations 41 elephant seals 41 refugia 41 ammonites 41 Strong quake jolts 41 Sandhill cranes 41 gadwall 41 theropod dinosaurs 41 Tyrannosaurus rex 41 garter snake 41 white tailed deer 41 Nigersaurus 41 placental mammals 41 bog turtles 41 tyrannosaur 41 ringnecks 41 Neanderthals 41 sea scorpion 41 pastoralist communities 41 mountain pine beetles 41 Palaeontologists 40 mallard ducks 40 Violent storms 40 Yellowstone ecosystem