Related by context. Frequent words. (Click for all words.) 53 dolphins whales 51 Sea otters 50 birds sea turtles 50 seabird populations 50 whales seals 50 marbled murrelets 49 endocrine disruption 48 overfishing pollution 48 marine mammals 47 polar bears 47 endangered marine mammals 47 voracious predators 47 whales dolphins 47 sealife 46 bears mountain lions 46 harbor porpoises 46 seals sea lions 46 aquatic invertebrates 46 endocrine disrupting 45 Tar sands 45 Arctic foxes 45 eiders 45 sharks rays 45 aquatic ecosystem 44 Puget Sound orcas 44 Beluga whales 44 overharvested 44 Therein lurks 44 nesting habitats 44 polar bear habitat 44 sea creatures 44 habitat fragmentation 44 Thoroughly cooking 44 marine ecosystem 44 migrating whales 44 overharvest 44 aquatic mammals 43 overhunting 43 Invasive plants 43 Nominal GDP includes 43 marine ecosystems 43 guillemots 43 dugongs 43 polluting waterways 43 mountain caribou 43 Wyoming pocket gopher 43 endangered whales 43 white tailed prairie 43 rocky reefs 43 aquatic creatures 43 caribou populations 43 orca whales 43 elephants tigers 43 harmful algae blooms 43 Ocean acidification 43 blue footed boobies 43 plesiosaurs 43 habitat degradation 42 Overfishing 42 Pacific walrus 42 seagrass beds 42 adverse impacts 42 longline fishing 42 Yellowstone cutthroat trout 42 ocean ecosystems 42 beluga whale 42 fragile ecology 42 Kemp ridley 42 aquatic habitats 42 Belugas 42 fragile ecosystem 42 Bycatch 42 narwhal 41 oil sheens 41 sea turtles 41 Hawaiian monk seals 41 deplete oxygen 41 coastal ecosystems 41 Kendra Barkoff spokeswoman 41 Steller sea lion 41 woodland caribou 41 marine iguanas 41 endangered species 41 manmade structures 41 damselfish 41 Recreational fishermen 41 aquatic ecosystems 41 biota 41 benthic 41 ecological 41 marine 41 Sperm whales 41 Hoffmayer 41 caribou herds 41 Whale sharks 41 murrelet 40 spiny dogfish 40 murres 40 loggerhead sea turtles 40 snowy plovers 40 Soil erosion