Warmer Arctic waters with less sea ice cause orcas to impact the northern marine ecosystems as the impressive whales swim further and further north in search of food and cooler temperatures.
— Read on thebarentsobserver.com/en/climate-crisis/2022/01/climate-change-pushes-orcas-migrate-north
Orcas are efficient hunters. Ecosystems that have not included orcas are devastated by their presence as they prey on fish and sea mammals.