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A southern sea otter (Enhydra lutris nereis) foraging on a purple sea urchin (Strongylocentrotus purpuratus) in Monterey Bay, California, USA. Image by Morgan Rector. Disclaimer: AAAS and EurekAlert!
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Study: Sea urchins driving gray whales from Oregon(KPTV) - A new study from Oregon State University has found that a rising purple sea urchin ... of the natural predators of the sea urchin, along with the sea otter. SEE ALSO: “In ecology ...
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Rise in sea urchins and related damage to kelp forests impacts Oregon's gray whales and their food, study findsA recent boom in the purple sea urchin population off ... stars have been one of two natural predators of sea urchin. The other is the sea otter, which was wiped out of Oregon waters by fur ...
Warming sea ... urchin models confirm that the suction mechanism works, though the water jet and machine vision systems still need to be tested. But even without these in place the Otter Force ...
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