Description
Rhodacanthis flaviceps (Original description: Telespiza flaviceps)
Date 1893-1900
Source Walter Rothschild. The Avifauna of Laysan and the neighbouring islands with a complete history to date of the birds of the Hawaiian possession. London: R.H. Porter, 1893-1900.
Author John Gerrard Keulemans (1842–1912)
Source: https://commons.wikimedia.org/wiki/File:Telespiza_flaviceps3.jpg

The lesser koa finch (Rhodacanthis flaviceps) is an extinct species of Hawaiian honeycreeper. The females were almost indistinguishable from the species' larger relative, the greater koa finch, other than the fact that the former were slightly darker in color. Order: Passeriformes, Family: Fringillidae, Subfamily: Carduelinae, Tribe: Psittirostrini, Species: Rhodacanthis flaviceps Rothschild, 1892.