This video from Scotland says about itself:
Killer Whales in Lerwick, Shetlands
5 December 2015
Photography: Malcolm Younger
Killer whales are facing the threat of extinction in European waters as a result of lingering toxic chemicals banned as far back as the 1980s, according to research led by international conservation charity the Zoological Society of London (ZSL) and published today in the journal Scientific Reports: here.
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