https://scholarspace.manoa.hawaii.edu/items/9aedd19b-8a4e-4c06-bc5b-90bcf2923962
History of endemic Hawaiian birds: Part I: species accounts: forest birds: 'Akialoa, Nukupu'u &...
Hemignathus procerus is a small, short-tailed, yellowish to olive-green forest bird with an extremely long decurved bill. It is endemic to the island of...
https://repository.si.edu/items/d18c04b2-5e25-4fb2-b00e-7ed465f3c0b8
Nomenclature of the Kauai Amakihi and Kauai Akialoa (Drepanidini)
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