Scientists studying the coastal Everglades have made some perplexing discoveries. Bull sharks are living upstream where alligators should thrive, and gators are swimming out to the ocean to feed.
Duration: 26 minutes and 46 seconds
Episode Number: 404
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CHANGING SEAS takes viewers on an exciting adventure to the heart of our liquid planet.
The documentary series offers an unprecedented look at how oceanographers and experts study earth's vast underwater wilderness, while shedding light on how over-fishing, global climate change and pollution threaten ocean resources.
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