Greater koa finch
| Greater koa finch | |
|---|---|
| Specimen | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Aves | 
| Order: | Passeriformes | 
| Family: | Fringillidae | 
| Subfamily: | Carduelinae | 
| Genus: | †Rhodacanthis | 
| Species: | †R. palmeri  | 
| Binomial name | |
| †Rhodacanthis palmeri Rothschild, 1892  | |
The greater koa finch (Rhodacanthis palmeri) is an extinct species of Hawaiian honeycreeper in the subfamily Carduelinae of the family Fringillidae. It was endemic to the island of Hawaiʻi.