References:
- https://www.nationalgeographic.com/magazine/2015/10/coastal-sea-wolves-canada/
- https://www.nationalgeographic.com/news/2016/08/sea-oceans-wolves-animals-science/
- https://www.centralcoastbiodiversity.org/coastal-wolf-bull-canis-lupus.html
- https://www.treehugger.com/photographer-zooms-in-on-unique-coastal-wolves-of-british-columbia-4861781
- https://maptia.com/cristinamittermeier/stories/the-sea-wolves
- https://www.onegreenplanet.org/environment/sea-wolf-in-danger-of-extinction-thanks-to-humans/
- http://www.env.gov.bc.ca/fw/wildlife/management-issues/docs/grey_wolf_management_plan.pdf