what animals are endangered because of pollution?
['Krill. Krill is the main source of energy for whales, salmon and other sea animals. ... ', 'Loggerhead Sea Turtle. ... ', 'Cape Penguin. ... ', 'Coral. ... ', 'Gray Whale. ... ', "Hector's Dolphins. ... ", 'Manatees. ... ', 'Hammerhead Sharks.']