Related by context. Frequent words. (Click for all words.) 55 saber tooth tigers 55 IntergalaticEarth 54 dinosaur species 54 carnivorous dinosaur 54 hominid species 54 plesiosaurs 53 By Riva Froymovich 53 feathered dinosaurs 53 By BEVERLY CORBELL 53 By Amy Boerema 53 By HARVEY SIMPSON 52 By Naveen Kapoor 52 By Alastair Jamieson 52 Workers Struggles 52 woolly mammoths 52 By HIBA DAWOOD 52 fossilized skull 52 By Laurie Kulikowski 52 horned dinosaurs 52 By MARTIN WALKER 52 Palaeontologists 52 By Katie Stallcup 52 Pterosaurs 52 horned dinosaur 52 Liang Bua 52 Albertosaurus 52 Cane toads 52 CDMHY 51 Migrating birds 51 ichthyosaur 51 Gondwanaland 51 By Steve Zalusky 51 predatory dinosaurs 51 Fossilized 51 carnivorous dinosaurs 51 % #F# 2v.jsn 51 By Ben Geman 51 By Greg Swatek 51 ancient Mayans 51 Australian aborigines 51 By Norb Franz 51 marine reptile 51 Sperm whales 51 Paleontologists 50 Fruit flies 50 Antarctic glacier 50 By BILL PLUNKETT 50 mosasaur 50 Southern Hemisphere 50 Chronic wasting disease 50 undersea volcanoes 50 By GLENDA ANDERSON 50 By Jack Komperda 50 peccary 50 tyrannosaur 50 Colossal squid 50 dinosaurs 50 Giant squid 50 tyrannosaurs 50 EUGENE ORE 50 Sea otters 50 baleen whale 50 Late Jurassic 50 By Sarah Trotto 50 driest inhabited continent 50 megafauna 50 plesiosaur 50 fossilized remains 50 By Harry Hitzeman 50 giant squids 50 migrating northward 50 saber toothed tigers 50 Star PANAMA 50 By Ashok Selvam 50 SheWired Editors Article 50 Paranthropus 50 Cretaceous Period 50 Diplodocus 49 By CHRIS CLINE 49 feathered dinosaur 49 By Alistair Dawber 49 T.rex 49 % #F# #v.jsn 49 By Larissa Chinwah 49 Columbian mammoth 49 ktul LLC 49 David Silpa 49 H. sapiens 49 By DAVE STEPHENS 49 penguin species 49 By Tudor Vieru 49 aurochs 49 By DAN MINER 49 grassy plains 49 fairy penguins 49 mosasaurs 49 Photo Jim Ruymen 49 temperate zones 49 ichthyosaurs 49 Harp seals 49 marine reptiles