Akialoa lanaiensis
The Maui-nui Akialoa, *Akialoa lanaiensis*, was a striking and highly specialized Hawaiian honeycreeper, tragically now extinct. This medium-sized passerine measured approximately 17 cm (6.7 inches) in length, distinguished by its remarkably long, slender, and strongly decurved bill, which could reach up to 6.5 cm. Its plumage was generally olive-green on the upperparts, contrasting with yellowish underparts, a common coloration among many Hawaiian honeycreepers. A key field mark was undoubte...
This species inhabited mid-elevation mesic and wet native forests, dominated by ʻōhiʻa (Metrosideros polymorpha) and koa (Acacia koa) trees.
The Maui-nui Akialoa primarily fed on nectar, especially from ʻōhiʻa blossoms, supplemented by insects and spiders extracted from bark and foliage using its specialized bill.
Due to its early extinction, detailed behavioral observations of the Maui-nui Akialoa are scarce, primarily relying on historical accounts and inferences from related species. It was likely a diurnal species, spending its days foraging actively within the forest canopy and understory. Its long, d...
The Maui-nui Akialoa was historically endemic to the Hawaiian island complex known as Maui Nui, encompassing Lānaʻi, Maui, and Molokaʻi. While its presence on Lānaʻi is well-documented with the last confirmed sighting in 1892, its distribution on Maui and Molokaʻi is less clear but widely accepte...
Extinct
- The Maui-nui Akialoa was part of the incredible adaptive radiation of Hawaiian honeycreepers, a group renowned for evolving diverse bill shapes from a single finch ancestor. - Its bill was disproportionately long, often measuring more than half the length of its head and body, a remarkable adap...