Related by context. Frequent words. (Click for all words.) 59 Amur leopard 58 Sumatran orangutans 57 Wadden Sea 57 lowland gorillas 57 vertebrate species 56 okapi 55 clouded leopards 55 mammal 55 banteng 55 primate species 54 giant tortoise 54 species 54 Bornean 54 endangered mammal 54 chimpanzees 54 bonobo 54 Iberian lynx 54 Javan rhinos 54 clouded leopard 53 hominid species 53 H. sapiens 53 Sumatran elephants 53 primate 53 Asiatic lion 53 Critically Endangered 53 theropod 53 endangered primates 53 Indohyus 53 Sumatran rhinos 53 placental mammals 52 amphibian species 52 Humboldt penguins 52 lowland forests 52 western lowland gorillas 52 biodiversity hotspot 52 lynxes 52 simian immunodeficiency virus 52 taxon 52 montane 52 Amur tiger 52 horned rhinoceros 52 lemur 51 sexual dimorphism 51 H. erectus 51 mammal species 51 breeding colony 51 Biological Conservation 51 genetically distinct 51 echidnas 51 chimps 51 lemurs 51 functionally extinct 50 Ardipithecus ramidus 50 apes 50 horned dinosaurs 50 genetically pure 50 breeding colonies 50 critically endangered species 50 crocodilians 50 Australopithecus 50 Komodos 50 Ujung Kulon 50 genus Homo 50 horned rhino 50 frog species 50 frogs toads 50 critically endangered 50 horned rhinos 50 subspecies 50 ligers 50 tapirs 50 pygmy rabbits 50 crocodilian 50 coelacanth 50 biodiversity hotspots 50 mammals 50 Ardipithecus 50 Amur tigers 49 gorillas 49 caimans 49 sauropod 49 elephants rhinos 49 Gunnison sage grouse 49 Asiatic lions 49 monkeys apes 49 P. falciparum 49 temperate forests 49 feathered dinosaurs 49 gibbons 49 apelike 49 giant tortoises 49 sapiens 49 mountain gorillas 49 lions leopards 49 endangered mountain gorillas 49 marmosets 49 flycatcher 49 gibbon 49 pterosaur 49 orangutans 49 pygmy owl