Related by context. Frequent words. (Click for all words.) 67 termite mound 59 snail shells 58 echidnas 58 lava tubes 56 savanna 55 ant hills 54 Namib Desert 54 cassowary 54 baobab tree 53 acacia trees 53 skink 53 microfossils 52 transects 52 middens 52 anthills 52 leaf cutter 52 cattail 52 ant colonies 52 baleen whale 52 mole rats 52 rock outcrops 52 acacias 51 dung beetle 51 savannah 51 tree trunk 51 African savanna 51 tree ferns 51 African savannah 51 ammonites 51 coniferous trees 51 deciduous forests 51 Argentine ants 51 acacia tree 51 sparse vegetation 50 trilobites 50 herbivores 50 velociraptors 50 moray eels 50 grassy plains 50 theropod 50 hydrothermal vent 50 damselfish 50 rocky outcrops 50 insects 50 crocodilian 50 tubeworms 50 fossils 50 millipedes 49 megafauna 49 bamboo stalks 49 temperate forests 49 spoor 49 millipede 49 banyan trees 49 lake sediments 49 lizards 49 tussocks 49 beetle larvae 49 forest canopy 49 pectoral fins 49 hornbills 49 echidna 49 montane 49 faunal 49 spheroid 49 rock outcrop 49 kelp forests 49 goanna 49 pileated woodpeckers 49 platypuses 48 crocodilians 48 arthropods 48 transect 48 stalagmites 48 sandstone formations 48 vegetation 48 Indohyus 48 Kalahari Desert 48 stromatolites 48 bony plates 48 landmasses 48 tussock 48 Amazonian rainforest 48 biomes 48 ferns 48 erosional 48 mandibles 48 dense brush 48 biome 48 marine iguanas 48 gastropods 48 setae 48 stalactite 48 waterholes 47 flightless birds 47 leafless trees 47 glow worms 47 undersea volcanoes 47 landforms 47 burrows 47 calcareous