Exile Warbler (Cysticola exilis) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881) Birds… https://www.rawpixel.com/image/321419/free-illustration-image-birds-century-animalFree Image from public domain licenseLineated Warbler (Cysticola lineocapilla) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804… https://www.rawpixel.com/image/321464/free-illustration-image-australia-gould-illustrationsFree Image from public domain licenseSquare-tailed Warbler (Cysticola isura) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881)… https://www.rawpixel.com/image/321420/free-illustration-image-birds-gould-illustrationsFree Image from public domain licenseGreat Warbler (Cysticola magna) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881) Birds of… https://www.rawpixel.com/image/321463/free-illustration-image-gould-john-warblerFree Image from public domain licenseRufous-headed Warbler (Cysticola ruficeps) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804… https://www.rawpixel.com/image/321465/free-illustration-image-gould-australia-centuryFree Image from public domain license