Grey Noddy (Anous cinereus) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881) Birds of… https://www.rawpixel.com/image/378091/free-illustration-image-elizabeth-gould-birds-johnFree Image from public domain licenseWhite-capped Tern (Anous leucocapillus) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881)… https://www.rawpixel.com/image/321526/free-illustration-image-vintage-australia-ternFree Image from public domain licenseNoddy Tern from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of… https://www.rawpixel.com/image/277183/free-illustration-image-audubon-birds-america-public-domainFree Image from public domain licenseLesser Noddy (Anous melanops) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881) Birds of… https://www.rawpixel.com/image/321364/free-illustration-image-gould-australia-swallowFree Image from public domain licenseNoddy Tern (Anous Stolidus) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881) Birds of… https://www.rawpixel.com/image/321389/free-illustration-image-gould-illustrations-century-australiaFree Image from public domain license