Hypothetical restoration based on contemporary descriptions, subfossil remains, and extant relatives

Description
English: Réunion Ibis (Threskiornis solitarius). Based on fossil elements, recent restorations by Julian Hume and Jean-Michel Probst, 17th century written accounts by Dubois, Carré, Feuilley, Tatton, and Melet, as well as extant relatives in the same genus. Per Cheke, A. S.; Hume, J. P. (2008). Lost Land of the Dodo: An Ecological History of Mauritius, Réunion & Rodrigues.
Date 2013
Author Drawn by https://commons.wikimedia.org/wiki/User:FunkMonk (Michael B. H.), with anatomical suggestions from https://commons.wikimedia.org/wiki/User:Snowmanradio
Source: https://commons.wikimedia.org/wiki/File:R%C3%A9union_Ibis.jpg

The Réunion ibis or Réunion sacred ibis (Threskiornis solitarius) is an extinct species of ibis that was endemic to the volcanic island of Réunion in the Indian Ocean. The first subfossil remains were found in 1974, and the ibis was first scientifically described in 1987. Its closest relatives are the Malagasy sacred ibis, the African sacred ibis, and the straw-necked ibis. Order: Pelecaniformes, Family: Threskiornithidae.