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Changing Seas
Grouper Moon
Season 4
Episode 403
During the winter full moons Nassau grouper gather in large numbers to spawn. Most of the known spawning sites have been fished out, but the Cayman Islands are home to the last great reproductive population of this endangered species.
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26:42
Researchers brave the Arctic’s cold and dark to reveal the mysteries of the Polar Night.
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26:42
Amid shipwrecks and shifting sands, Bermuda’s corals offer clues to climate resilience.
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26:42
Knowledgeable fishers collaborate with scientists to keep sharks abundant.
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26:42
Researchers and citizen scientists document the fascinating lives of seashells.
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26:42
Experts are working to conserve and restore the Puget Sound’s declining kelp forests.
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26:42
Scientists study the body size and health of humpback whales across their migratory cycle.
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26:42
Experts study declines in the number of humpbacks migrating between Alaska and Hawaiʻi.
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26:47
Scientists employ creative solutions to restore and reconnect Florida’s mangroves
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26:42
Scientists study salt marshes along scenic coastlines in the South.
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26:42
Scientists team up with anglers to study the survival rates of the fish.