Scientists are working to save a salmon species by milking their sperm.
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In Nat Geo WILD’s first digital series, wildlife filmmaker and National Geographic Young Explorer grantee, Bertie Gregory journeys to the Pacific Northwest in search of the elusive coastal wolves that inhabit one of the last places on the planet where a wild forest meets a wild ocean.

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Why Are These Scientists Collecting Salmon Sperm? | National Geographic
   • Why Are These Scientists Collecting S...  

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