Related by context. Frequent words. (Click for all words.) 51 mammal species 49 species 49 temperate forests 48 ecosystems 47 elephant herds 46 biodiversity hotspots 46 habitats 46 endangered primates 46 amphibian populations 46 waterbirds 45 sloth bears 45 rhinos 45 frog species 45 clouded leopards 44 freshwater turtles 44 biodiversity 44 bird species 44 elephants 44 vertebrate species 44 overhunting 44 frogs toads 44 snow leopards 44 hornbills 44 pangolin 44 avian species 44 grassland birds 43 crocodilians 43 amphibian species 43 habitat fragmentation 43 horned rhinos 43 migratory species 43 BirdLife International 43 megafauna 43 mammals 43 Populations 43 genetic diversity 43 primate species 43 freshwater ecosystems 43 marine biodiversity 42 bio diversity 42 endangered tigers 42 Florida panthers 42 mongooses 42 tigers 42 rampant poaching 42 Biodiversity Conservation 42 IUCN 41 coral reef ecosystems 41 herbivores 41 clouded leopard 41 biomes 41 zoos 41 Grizzly bears 41 coastal ecosystems 41 Galapagos islands 41 populations 41 caribou herds 41 coral reefs 41 monkeys apes 41 forest ecosystems 41 primates 41 biodiversity conservation 41 black footed ferret 41 wildlife 41 Nature IUCN 41 macaques 40 Bombay Natural History 40 drylands 40 saltwater crocodiles 40 wildlife sanctuaries 40 IUCN Red 40 anteaters 40 Species 40 Wildlife Conservation Society 40 tiger habitats 40 critically endangered 40 amphibians 40 biodiverse 40 habitat degradation 40 dugongs 40 savannas 40 Steller sea lions 40 avian influenza viruses 39 beluga sturgeon 39 transboundary 39 saola 39 pikas 39 overexploitation 39 habitat 39 tropical forest 39 Sumatran tigers 39 Kaziranga National 39 tiger 39 Sumatran rhinos 39 extinction 39 sanctuaries 39 grasslands 39 Amur tigers 39 snakes lizards 39 Critically Endangered 39 Western Ghats