https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8765640Edit ImageSaveSaveEditCropCustom TextSecond grade school girls from Calipatria clutch pintail ducks. They are studying banding and migration at the Salton Sea National Wildlife Refuge, March 1973. Photographer: O'Rear, Charles. Original public domain image from FlickrMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGSmall JPEG 813 x 1200 px | 300 dpiLarge JPEG 2033 x 3000 px | 300 dpiFree DownloadSecond grade school girls from Calipatria clutch pintail ducks. They are studying banding and migration at the Salton Sea National Wildlife Refuge, March 1973. Photographer: O'Rear, Charles. Original public domain image from FlickrMore