Inbreeding Contributes to Decline of Endangered Killer Whales

New genome sequencing shows Southern Residents are highly inbred.

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SeaWorld staffer tending to Tyonek. SeaWorld staffer tending to Tyonek. NOAA Fisheries ESA/MMPA Permit No. 18786-02. Credit: SeaWorld San Antonio.
A man wearing a plaid shirt and a baseball cap leans out over the edge of a silver research vessel to retrieve a frame made of PVC pipe on which a camera is mounted. A NOAA scientist retrieves a frame on which a video camera is mounted from the water. NOAA is researching the use of video to track the progress of oyster reef restoration projects.