https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/4031590Edit ImageSaveSaveEditCropCustom TextRed salmon when returning from the ocean are sometimes referred to as bluebacks before they become red and their heads turn green.NPS Photo/M. BradburnSockeye salmon attempting to jump over Brooks Falls. Original public domain image from FlickrMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGBanner JPEG 1200 x 800 px | 300 dpiLarge JPEG 2048 x 1365 px | 300 dpiFree DownloadRed salmon when returning from the ocean are sometimes referred to as bluebacks before they become red and their heads turn green.More