Porphyrio (melanotus) porphyrio (Rallidae) by Herbert Guthrie Smith. https://www.rawpixel.com/image/13029040/porphyrio-melanotus-porphyrio-rallidae-herbert-guthrie-smithFree Image from public domain licenseBlack-backed Buttonquail (Hemipodius Melanotus) illustrated from A Synopsis of the Birds of Australia and the Adjacent… https://www.rawpixel.com/image/328577/free-illustration-image-australia-australian-animals-back-headFree Image from public domain licensePorphyrio (melanotus) porphyrio (Rallidae) by Herbert Guthrie Smith. https://www.rawpixel.com/image/13030990/porphyrio-melanotus-porphyrio-rallidae-herbert-guthrie-smithFree Image from public domain licenseBlack-backed Wren (Malurus melanotus) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881)… https://www.rawpixel.com/image/321166/free-illustration-image-wren-birds-australian-john-gouldFree Image from public domain licenseBlack-backed Porphyrio (Porphyrio melanotus) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804… https://www.rawpixel.com/image/321325/free-illustration-image-birds-australia-gould-centuryFree Image from public domain licenseBlack-backed Tree-Creeper (Climacteris melanotus) illustrated by Elizabeth Gould (1804–1841) for John Gould’s… https://www.rawpixel.com/image/321510/free-illustration-image-bird-back-treecreeper-elizabeth-gouldFree Image from public domain licenseBlack-backed Hemipode (Hemipodius melanotus) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804… https://www.rawpixel.com/image/321277/free-illustration-image-quail-gould-centuryFree Image from public domain license