Related by context. Frequent words. (Click for all words.) 84 polar bears 61 moose 61 caribou 59 grizzly 58 wolf 58 penguin 58 penguins 56 whale 53 Arctic 53 whales 52 mammal 52 endangered species 51 gorilla 51 beaver 51 marine mammals 51 dolphin 50 sea lion 50 wolves 50 sea lions 50 manatee 49 cougar 49 bald eagle 49 rhino 49 owl 49 Arctic Ocean 49 salmon 48 dolphins 48 giraffe 48 reindeer 47 Inuit 47 tiger 46 Antarctic 46 arctic 46 Endangered Species Act 46 elephant 46 turtle 46 bison 45 panda 45 polar 45 tigers 45 lizard 45 Polar Bears 45 beavers 44 bald eagles 44 species 44 manatees 44 cougars 44 critters 44 cubs 44 cub 44 wildlife 43 turtles 43 tortoise 43 elk 43 mammals 42 dinosaur 42 squirrel 42 frog 42 pups 42 Knut 42 gorillas 42 habitat 42 coyote 42 fur 42 North Pole 42 Antarctica 42 mountain lion 42 swan 41 elephants 41 leopard 41 animals 41 animal 41 National Marine Fisheries 41 reptile 41 rabbit 41 glacier 41 furry 41 bears 41 amphibians 41 bird 41 endangered 41 rhinos 41 kangaroos 41 seals 41 ape 40 pup 40 aquarium 40 sturgeon 40 fox 40 zoo 40 shark 40 Greenland 40 goose 40 sea turtles 40 bunny 40 deer 40 swans 39 cat 39 creature 39 cod 39 kangaroo