Animalia > Chordata > Aves > Passeriformes > Fringillidae > Rhodacanthis

Rhodacanthis (koa-finches)

Wikipedia Abstract

Rhodacanthis is an extinct genus of Hawaiian honeycreeper. All four species were endemic to the Hawaiian Islands. Members of this genus were granivores, with bills adapted to the seeds and pods of legumes. The two species that became extinct in the 1890s, R. flaviceps and R. palmeri, inhabited upper elevation mesic forests dominated by koa (Acacia koa) on the island of Hawaiʻi. Both were large birds; R. flaviceps measured 19 cm (7.5 in), while R. palmeri was 23 cm (9.1 in) in length. The combination of a giant bill with brightly colored plumage (yellow for R. flaviceps, orange for R. palmeri) gave the males a very striking appearance. Koa seeds were the preferred food for the two species, but caterpillars were taken if necessary. The two prehistoric species, R. forfex and R. litotes, were
View Wikipedia Record: Rhodacanthis

Species

Rhodacanthis flaviceps (Lesser Koa-Finch)
Rhodacanthis palmeri (Greater Koa-Finch)

Photos

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