Shared by wwfcanada on Oct 13, 2011 WWF-Canada‘s species expert, Dr. Peter Ewins, went up to Tremblay Sound in Nunavut, Canada, to help researchers tag narwhal with GPS radio collars so that they can monitor their movements and analyze how climate change is affecting their behaviours. Related articles Scientists launch arctic search to find narwhals (cbsnews.com) Tracking of […] Continue reading Video: Tagging Narwhal in the Arctic