Beluga Whales in the St. Lawrence Estuary

August 18, 2013


In the last 50 years, toxic wastes became a threat to all living things in Lake Ontario and the waters it empties into. The toxins PCB and mirex have been ingested by about 500 white beluga whales that feed upon thousands of migrating American eels at the mouth of the St. Lawrence River. Mirex, an insecticide once produced on the shore of Lake Ontario has been banned since the 1970s, but its residues linger in the bottom sediments where eels feed. As a result of feeding upon the eels laden with toxins, the whales have developed tumors, cancers and reproductive problems and they die young. Aluminum smelter workers in the area have developed the same type of bladder cancer as the

Spring, Barbara (2002-01-11). The Dynamic Great Lakes (Kindle Locations 1062-1067). PublishAmerica. Kindle Edition.Image

http://www.amazon.com/The-Dynamic-Great-Lakes-ebook/dp/B005HM9BGU/ref=sr_1_1?s=digital-text&ie=UTF8&qid=1314292440&sr=1-1<a

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One Response to “Beluga Whales in the St. Lawrence Estuary”

  1. Called canaries of the sea because of their chirpping voices, the beautiful white whales are being decimated due to careless actions by the hand of man. I took the photo at the Shedd Aquarium and I wrote about the whales in my book, The Dynamic Great Lakes available on Kindle, in paperback and in many bookstores.

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