【参考资料】1. Headless sea lions are turning up on B.C. shores. Here are some possible reasons whyhttps://www.thestar.com/news/canada/2020/06/30/headless-sea-lions-are-turning-up-on-bc-shores-heres-are-some-reasons-that-could-explain-why.html2. Headless sea lions are washing up on Vancouver Island — and some believe people are to blamehttps://www.cbc.ca/news/canada/british-columbia/seal-lions-headless-vancouver-island-1.56308303. Victory! West Coast Pinniped Hunt Permit Delayed!https://www.animalalliance.ca/victory-west-coast-pinniped-hunt-denied/