Around 200 orcas migrate through the waters near Arctic Bay. (Photo courtesy Department of Fisheries and Oceans)Swipe or click to see moreKiller whales in Admiralty Inlet near Arctic Bay. Matthews hoped the HTA could find people in Arctic Bay to work on the study longer term. Matthews said he’s found tropical barnacles growing on orcas near Arctic Bay, indicating how far they’ve travelled. Melting sea ice due to climate change is allowing killer whales to reach their prey in places they couldn’t before.