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 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 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 license