Alae ula or Hawaiian moorhenSubspecies is endemic to the Hawaiian islandsFederally listed as an endangered species"Domesticated" (Waimea Valley, Oahu)nativeplants.hawaii.edu
Another contrast-enhanced version of a Biodiversity Heritage Library scanned image. Artist is John Gerrard Keulemans. Would appear to represent South Island Takahe Porphyrio hochstetteri, asas P. (Notornis) mantelli is known only from subfossil remains, and they were long considered conspecific (Wikipedia--Takahe).