Related by context. Frequent words. (Click for all words.) 58 Darwin finches 57 Fin whales 55 Leatherbacks 55 Sea otters 55 damselfish 54 penguin colonies 54 Adelie penguins 54 lowland gorillas 54 penguin species 53 endemic species 53 blue footed boobies 53 montane 53 ocean basins 52 freshwater crocodiles 52 skuas 52 apex predators 52 dunlin 52 elkhorn 52 pteropods 52 song thrush 52 killifish 52 Galapagos islands 52 frogs salamanders 52 yellow legged frogs 52 migrating northward 51 plesiosaurs 51 Beluga whales 51 penguin chicks 51 Loggerhead turtles 51 giant tortoise 51 orca whales 51 temperate forests 51 vertebrate species 51 species 51 mammals 50 hawksbill turtles 50 Sandhill cranes 50 Barn owls 50 wintering birds 50 goannas 50 invertebrate animals 50 Olive Ridleys 50 flightless birds 50 conifer forests 50 seagrass meadows 50 Pterosaurs 50 spotted salamanders 50 gastropods 50 staghorn coral 50 frogs toads 50 Snow leopards 50 leopard frogs 50 mammal 50 northern spotted owls 50 narwhals 50 Yellowstone cutthroat 49 severe droughts 49 kittiwakes 49 voracious predators 49 tiger subspecies 49 baleen whale 49 Ice Ages 49 Caspian terns 49 emperor penguin 49 hawks eagles 49 Whales dolphins 49 marine invertebrates 49 amphibian species 49 wood stork 49 ecoregions 49 crossbills 49 humpback chub 49 bottlenose 49 glaciers melt 49 trilobites 49 marbled murrelets 49 ratfish 49 horned dinosaurs 49 African savanna 49 petrels 49 mammals reptiles 49 mosasaurs 49 arctic foxes 49 pristine coral reefs 49 golden plover 49 Harp seals 49 Whale sharks 48 toothed whales 48 giant tortoises 48 spinner dolphins 48 hellbender 48 leatherback turtles 48 brachiosaurus 48 leatherback sea turtles 48 insectivores 48 wolf spiders 48 echidnas 48 Coral bleaching 48 gobies 48 overharvested 48 nesting colony