Extinction: Kauai 'Akialoa UWSP GEOG358 [Heywood]: Kauai 'Akialoa (Hemignathus procerus). last pair observed in 1965 at Alakai
http://www.uwsp.edu/geo/faculty/heywood/geog358/extinctb/KAkialoa.htm

Extinction: Oahu Akialoa UWSP GEOG358 [Heywood]: Oahu Akialoa (Hemignathus obscurus ellisianus). last observed in 1837 on Oahu;
http://www.uwsp.edu/geo/faculty/heywood/geog358/extinctb/OAkialoa.htm

TAXONOMY: ...(DRAFT) - Taxonomy Species AKIALOA, KAUAI Species Id ESIS101049 Date 14
http://fwie.fw.vt.edu/WWW/esis/lists/e101049.htm

TAXONOMY: NAME - AKIAPOLAAU OTHER COMMON NAMES - AKIAPOLAAU; 'AKIAPOLA'AU; NUKUPUU,
http://fwie.fw.vt.edu/WWW/esis/lists/e101020.htm

ADW: Drepanididae: Classification: ...chloris (Oahu amakihi). Species Hemignathus ellisianus (greater akialoa). Species
http://animaldiversity.ummz.umich.edu/site/accounts/classification/Drepanididae.html

ADW: Hemignathus obscurus: Classification: Hemignathus obscurus (akialoa). Classification. ... Parent taxa. pictures. Genus
http://animaldiversity.ummz.umich.edu/site/accounts/classification/Hemignathus_obscurus.html

Studies in Avian Biology - Number 9: 117, Common Amakihi. 128, Anianiau. 128, Greater Amakihi. 130, Hawaiian Akialoa.
http://elibrary.unm.edu/sora/Condor/cooper/sab_009.php