Great Northern Diver or Loon from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original… https://www.rawpixel.com/image/277184/free-illustration-image-audubon-loon-birds-america-public-domainFree Image from public domain licenseRetired U.S. Army Staff Sgt. Michael Kacer, left, prepares for the 50-meter backstroke race during the swimming portion of… https://www.rawpixel.com/image/3317682/free-photo-image-olympic-london-runningFree Image from public domain licenseGreat Northern Diver (Loon), from the Birds of America series (N4) for Allen & Ginter Cigarettes Brands https://www.rawpixel.com/image/9183053/image-art-vintage-cigarettesFree Image from public domain licenseGreat Northern Diver (Loon), from the Birds of America series (N37) for Allen & Ginter Cigarettes issued by Allen & Ginter https://www.rawpixel.com/image/9611502/image-common-loon-ephemeraFree Image from public domain license