Orca chases chinook

A young resident killer whale chases a chinook salmon in the Salish Sea near San Juan Island, Washington, in September 2017. Image obtained under NMFS permit #19091. Photograph by John Durban (NOAA Fisheries/Southwest Fisheries Science Center), Holly Fearnbach (SR3: SeaLife Response, Rehabilitation and Research) and Lance Barrett-Lennard (Vancouver Aquarium’s Coastal Ocean Research Institute).