Denny, Jim (1999). The Birds of Kauaʻi. University of Hawai'i Press. pp. 24. ISBN0824820975. OCLC39695505. «The Hawaiian word ʻāʻā means "dwarf" or "small" and was given to the Kaua'i species because it was smaller than the three races found on the other islands.»
Mathews, Gregory M. (25 de abril de 1925). «Nomenclatural Notes». Bulletin of the British Ornithologists' Club45 (296): 93.
Wilson, Scott B.; Evans, A. H. (Dec 1890). «Acrulocercus braccatus». Aves Hawaiienses: The Birds of the Sandwich Islands. Part I. London: R. H. Porter. pp. 99-101; Plate 40.
birdlife.org
datazone.birdlife.org
Brooks, T.; Khwaja, N.; Mahood, S.; Amrtin, R. (20 de diciembre de 2020). «Kauai Oo Moho braccatus». birdlife.org(en inglés). Kaua'i, Hawaii, USA: Birdlife International. Consultado el 13 de abril de 2018.
birdsna.org
«Kauai Oo - Introduction | Birds of North America Online». birdsna.org. Consultado el 14 de noviembre de 2019. «Negative factors have included destruction and modification of native forests; introduction of nonnative mammals to the islands (rats, Indian mongoose, pigs, cattle, sheep, goats, domestic cats) [...] introduction of nonnative birds and associated diseases; introduction of mosquitoes; and exploitation of the ‘ö‘ö for feathers.»
«ML: Macaulay Library». www3.macaulaylibrary.org. Archivado desde el original el 16 de agosto de 2017. Consultado el 20 de febrero de 2020.
web.archive.org
«ML: Macaulay Library». www3.macaulaylibrary.org. Archivado desde el original el 16 de agosto de 2017. Consultado el 20 de febrero de 2020.
worldcat.org
Denny, Jim (1999). The Birds of Kauaʻi. University of Hawai'i Press. pp. 24. ISBN0824820975. OCLC39695505. «The Hawaiian word ʻāʻā means "dwarf" or "small" and was given to the Kaua'i species because it was smaller than the three races found on the other islands.»
