Red-capped Dottrel (Hiaticula ruficapilla) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804… https://www.rawpixel.com/image/321313/free-illustration-image-plover-birds-gould-illustrationsFree Image from public domain licenseNashville Warbler from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from… https://www.rawpixel.com/image/277577/free-illustration-image-audubon-bird-birds-america-public-domainFree Image from public domain license131. The Black-throated Blue Warbler (Sylvicola canadensis) 132. He Cape-May Warbler (Sylvicola maritima) 133. The Nashville… https://www.rawpixel.com/image/329305/free-illustration-image-nashville-birds-new-york-birdFree Image from public domain license