Myadestes lanaiensis rutha Bryan, 1908
Hawaiian thrush, Oloma'o, Molokaʻi thrush, Moloka'i oloma'o
Taxonomy & Nomenclature
Synonym/s: Phaeornis obscurus lanaiensis Bryan, 1908; Myadestes undescribed species aff. lanaiensis (Tyrberg, 2009:96)
Conservation Status
Missing (NatureServe, 2026)
Last record (disputed): 1980 (Wakelee & Fancy, 1999; Pyle & Pyle, 2017; Kittelberger et al., 2024; NatureServe, 2026); 1988 (USFWS, 1990; BirdLife International, 2019 [as unconfirmed]); 1994 (BirdLife International, 2019 [as unconfirmed]; Martin et al., 2023 [by implication]); 2005 (unconfirmed) (BirdLife International, 2019)
IUCN RedList status: Critically Endangered (Possibly Extinct)
Distribution & Habitat
Moloka'i and Maui, Hawaiian Islands, USA
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
(Bryan) 1908 Occ.Pap.BishopMus. 4 no.2 p.171 / 81
Other references:
American Ornithologists' Union (AOU). 1985. Thirty-fifth Supplement to the American Ornithologists' Union Check-list of North American Birds. Auk 102:680-686.
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BirdLife International. (2012). Myadestes lanaiensis. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.1. (http://www.iucnredlist.org). Downloaded on 25 August 2013.
BirdLife International. (2019). Myadestes lanaiensis. The IUCN Red List of Threatened Species 2019: e.T22708574A155254449. https://dx.doi.org/10.2305/IUCN.UK.2019-3.RLTS.T22708574A155254449.en. Accessed on 01 October 2026.
Butchart, Stuart H. M., Lowe, Stephen, Martin, Rob W., Symes, Andy, Westrip, James R. S. and Wheatley, Hannah. (2018a). Which bird species have gone extinct? A novel quantitative classification approach. Biological Conservation 227: 9-18. https://doi.org/10.1016/j.biocon.2018.08.014
Butchart, Stuart H. M., Stattersfield, A. J. and Brooks, T. M. (2006). Going or gone: defining ‘Possibly Extinct’ species to give a truer picture of recent extinctions. Bulletin of the British Ornithologists' Club 126A: 7-24.
Butchart, Stuart H. M., Wheatley, Hannah, Lowe, Stephen, Westrip, James R. S., Symes, Andy and Martin, Rob W. (2018b). Data for: Which bird species have gone extinct? A novel quantitative classification approach. Mendeley Data, V1, doi: 10.17632/vvjhpmyxb4.1
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Ehrlich, P. R., D. S. Dobkin, and D. Wheye. 1992. Birds in Jeopardy: the Imperiled and Extinct Birds of the United States and Canada, Including Hawaii and Puerto Rico. Stanford University Press, Stanford, California. 259 pp.
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Matthews, J.R. and C.J. Moseley (eds.). 1990. The Official World Wildlife Fund Guide to Endangered Species of North America. Volume 1. Plants, Mammals. xxiii + pp 1-560 + 33 pp. appendix + 6 pp. glossary + 16 pp. index. Volume 2. Birds, Reptiles, Amphibians, Fishes, Mussels, Crustaceans, Snails, Insects, and Arachnids. xiii + pp. 561-1180. Beacham Publications, Inc., Washington, D.C.
NatureServe. (2026). Myadestes lanaiensis rutha: Molokai Thrush. NatureServe Network Biodiversity Location Data accessed through NatureServe Explorer [web application]. NatureServe, Arlington, Virginia. Available at: https://explorer.natureserve.org/ [Accessed on 1 October 2026]
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U.S. Fish and Wildlife Service. (2018). 5-Year Review: Short Form Summary, Olomao or Molokai Thrush (Myadestes lanaiensis rutha). https://ecos.fws.gov/docs/five_year_review/doc5760.pdf
U.S. Fish and Wildlife Service (USFWS). 2023. Endangered and Threatened Wildlife and Plants; Technical Corrections for 62 Wildlife and Plant Species on the Lists of Endangered and Threatened Wildlife and Plants. Federal Register 88(22):7134-7177.
Wakelee, K. M.; Fancy, S. G. (1999). Oma'o (Myadestes obscurus), Kama'o (Myadestes myadestinus), Oloma'o (Myadestes lanaiensis) and 'Amaui (Myadestes woahensis). In: Poole, A.; Gill, F. (ed.), The birds of North America, No. 460, pp. 1-28. The Academy of Naural Sciences and The American Ornithologists' Union, Philadelphia and Washington, DC.