Hemignathus obscurus The lesser ʻakialoa (Akialoa obscura) is an extinct species of Hawaiian honeycreeper in the subfamily Carduelinae of the family Fringillidae.

It became extinct due to habitat loss and disappeared at around the same time as its Oʻahu relative.

It was a yellowish bird with a two-inch-long thin whitish-yellow bill.

The akialoa also fed on nectar in the flowers of lobeliads and o’hia blossoms.

[citation needed] With the loss of the trees and the flowers it depended on, the bird had no shelter or food and disappeared in 1940.