Related by context. Frequent words. (Click for all words.) 55 forelimbs 54 crocodilians 52 canine teeth 52 Indohyus 51 forelimb 51 setae 51 theropod 51 serrated teeth 50 pectoral fins 50 fossa 50 Diplodocus 50 sexual dimorphism 49 tyrannosaur 49 mouthparts 49 mammals 49 hind limbs 49 mottled brown 49 hind limb 48 herbivorous 48 mandibles 48 herbivores 47 tyrannosaurus 47 martens 47 Greater Yellowstone Ecosystem 47 arthropod 47 Allosaurus 47 Ardipithecus 47 marten 47 Mule deer 47 theropods 46 velociraptors 46 ungulates 46 quadrupeds 46 moray eels 46 baleen whales 46 reproduce asexually 46 dorsal fins 45 oviduct 45 mandible 45 symbionts 45 Apatosaurus 45 gobies 45 burrows 45 bushy tail 45 breeding colonies 45 habitat fragmentation 45 marine iguanas 45 predation 45 carnivores 45 pygmy owl 45 timber rattlesnake 44 4 chars 44 kangaroo rats 44 kangaroo rat 44 Sea otters 44 arthropods 44 constrictors 44 Sage grouse 44 stickleback 44 toothed whales 44 primate species 44 crocodilian 44 narwhals 43 marine invertebrates 43 anglerfish 43 tyrannosaurs 43 Ecology Letters 43 trophic 43 mammal 43 scaly skin 43 T. rex 43 garter snake 43 mole rats 43 genetic variability 43 mountain lions 43 elk moose 43 herbivore 43 intertidal zone 42 skink 42 carapace 42 Sperm whales 42 vertebrates 42 gastropods 42 African savanna 42 vertebrate 42 carnivorous dinosaurs 42 featherless 42 sauropods 42 afarensis 42 Great Horned Owl 42 wolf predation 42 razor sharp teeth 42 vertebral column 42 aquatic mammals 42 humans 42 Argentine ants 42 Comparative Physiology 42 sticklebacks 42 Mammals 42 triceratops 42 lynxes