Exploding population of parasitic sea worms a worry for endangered orcas, says U.S. researcher

A parasitic ocean worm that’s seen a population explosion since the 1970s may be threatening endangered cetaceans, according to a Washington State researcher.

This story was originally published on CBC News. To read the rest of this news worthy story, please visit https://www.cbc.ca/news/canada/british-columbia/parasitic-worm-orcas-1.5503484?cmp=rss.

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