This piece was originally published in Canada’s National Observer and appears here as part of our Climate Desk collaboration. There’s a mysterious killer whale that prowls deeper waters and specializes in hunting big game, research by a Canadian scientist suggests. West Coast residents are familiar with the iconic and endangered, chinook salmon-eating resident killer whales in the Salish Sea, and the more numerous Bigg’s killer whales, or transient orcas, that ply the shallower waters of British Columbia’s coast and inlets in search of seals and other marine mammals. But growing…
