Otus sauzieri Newton & Gadow, 1893

Mauritius owl, Mauritian lizard-owl, Mauritius lizard-owl, Commerson's scops owl (by synonymy)



Taxonomy & Nomenclature

Synonym/s: Mascarenotus sauzieri Newton & Gadow, 1893; Strix sauzieri Newton & Gadow, 1893; Tyto sauzieri Newton & Gadow, 1893; "Tyto" sauzieri (Newton & Gadow, 1893); Strix newtoni Rothschild, 1907:79; Tyto newtoni Rothschild, 1907:79; Otus commersoni Oustalet, 1896; Scops commersoni Oustalet, 1896


Moved to the newly erected genus Mascarenotus by (Mourer-Chauviré et al. 1994). Placed in Otus by (Louchart et al., 2018).


Conservation Status

Last Record: 1837

IUCN status: Extinct















Original scientific description:

Newton, E. and Gadow, H. (1893). On additional bones of the dodo and other extinct birds of Mauritius Obtained by Mr. Theodore Sauzier. Transactions of the Zoological Society of London, 13, part 7(1): 281-302, plates 33-37.


Other references:

BirdLife International. (2012). Mascarenotus sauzieri. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. (https://www.iucnredlist.org). Downloaded on 08 December 2012. [archived]

BirdLife International. (2016). Mascarenotus sauzieri . The IUCN Red List of Threatened Species 2016: e.T22728861A94999192. https://dx.doi.org/10.2305/IUCN.UK.2016-3.RLTS.T22728861A94999192.en. Downloaded on 01 March 2020.

Cheke, A. S. (1987). An ecological history of the Mascarene Islands, with particular reference to extinctions and introductions of land vertebrates. In: Diamond, A.W. (ed.), Studies of Mascarene island birds, pp. 5-89. Cambridge University Press, Cambridge, U.K.

Cheke, Anthony S. (2013). Extinct birds of the Mascarenes and Seychelles - a review of the causes of extinction in the light of an important new publication on extinct birds. Phelsuma 21: 4-19.

Cheke, Anthony S. and Hume, Julian Pender. (2008). Lost Land of the Dodo: An Ecological History of Mauritius, Réunion & Rodrigues. New Haven and London: Yale University Press. 464 pp.

Clark, G. (1859). A ramble round Mauritius with some excursions in the interior of that island; to which is added a familiar description of its fauna and some subjects of its flora. – In: Palmer, T.E. & Bradshaw, G. (eds): The Mauritius register: historical, official & commercial, corrected to the 30th June 1859. – cxxxii pp. Port Louis, Mauritius (L. Channell).

Cowles, Graham S. (1987). The fossil record, pp. 90-100. In: Diamond, A. W. (ed.). Studies of Mascarene Island Birds. Cambridge, U.K.: Cambridge University Press.

Day, David. (1981). The Doomsday Book of Animals: A Natural History of Vanished Species. New York, N.Y.: The Viking Press.

Desjardins, J. (1837). Huitiéme Rapport. Annual de la Travaux Société d’Histoire Naturelle de I’Ile Maurice 8: 1-43.

Hachisuka , Masauji. (1953). The Dodo and kindred birds. London: H. & G. Witherby. xvi + 250 pp.

Hume, Julian Pender. (2013). A synopsis of the pre-human avifauna of the Mascarene Islands, pp. 195-237. In: Göhlich, U.B. & Kroh, A. (eds.). Proceedings of the 8th International Meeting of the Society of Avian Paleontology and Evolution. Naturhistorisches Museum, Wien.

Louchart, Antoine et al. (2018). Ancient DNA reveals the origins, colonization histories, and evolutionary pathways of two recently extinct species of giant scops owl from Mauritius and Rodrigues Islands (Mascarene Islands, south‐western Indian Ocean). Journal of Biogeography. https://doi.org/10.1111/jbi.13450 [Abstract]

Mourer-Chauviré, C.; Bour, R.; Moutou, F.; Ribes, S. (1994). Mascarenotus nov. gen. (Aves, Strigiformes), genre endémique éteint des Mascareignes et M. grucheti n. sp. espéce éteinte de la Réunion. Comptes Rendus de l'Academie des Sciences Paris 318: 1699-1706.

Oustalet, E. (1896). Notice sur la faune ornithologique ancienne et modeme des Iles Mascareignes et en particulier de l'Ile Maurice d'après des documents inédits. Annales des Sciences Naturelles, série 8, (Zoologie), 3: 1-128.

Rothschild, L. W. R. (1907). Extinct birds, an attempt to write in one volume a short account of those birds which have become extinct in historical times, that is within the last six or seven hundred years: to which are added a few which still exist, but are on the verge of extinction / by the Hon. Walter Rothschild. London: Hutchinson & Co. XXIX + 243 p. [Relevant page]