Related by context. Frequent words. (Click for all words.) 71 polar bears 63 polar bear 55 Bald eagles 54 walruses 49 walrus 48 beluga whales 48 Siberian tigers 47 caribou 47 grizzly bears 46 seabird 46 endangered species 45 gray whales 45 marine mammals 45 whales 45 critically endangered 45 killer whales 45 Arctic 45 snow leopards 45 seabirds 44 Global warming 44 sea otters 44 wolverines 44 ice floes 44 otters 44 penguins 43 sea otter 43 mammals 43 mammal 43 Humans 43 Whales 43 arctic 43 Human beings 43 cetaceans 43 species 43 wolves 43 orcas 42 dolphins 42 manatees 42 Arctic Ocean 42 sea lions 42 Corals 42 moose 42 Antarctic 42 Polar Bears 42 bald eagles 42 otter 41 beluga 41 creatures 41 Alligators 41 polar 41 grizzlies 41 lynx 41 Beaufort Sea 41 pika 41 turtles 41 grizzly bear 41 wolverine 41 Bering Sea 41 wolf 41 porpoises 41 Arctic Circle 41 tigers 41 krill 41 sea creatures 41 peregrine falcons 40 habitat 40 Pit bulls 40 Polar Bear 40 gray wolves 40 sperm whales 40 carnivores 40 habitats 40 Antarctica 40 Antarctic ice 39 Siberian tiger 39 endangered 39 amphibians 39 gray wolf 39 glaciers 39 porpoise 39 whale 39 humpback whale 39 koalas 39 extinction 39 lemurs 39 Females 39 reindeer 39 amphibian 39 eagles 39 boreal forest 39 corals 39 Glaciers 39 Marine Mammal Protection 39 harbor seals 39 mountain gorillas 39 Endangered 39 whooping cranes 39 oceans 38 sea turtles 38 cougars 38 dingoes