Neha Patil

Scissor billed koa finch

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Kingdom  Animalia
Family  Fringillidae
Tribe  Psittirostrini
Scientific name  Rhodacanthis forfex
Rank  Species
Class  Aves
Subfamily  Carduelinae
Genus  † Rhodacanthis
Phylum  Chordata
Order  Passerine
Similar  Great O‘ahu crake, New Zealand stiff‑tailed, Chloridops

The scissor-billed koa finch, (Rhodacanthis forfex) or scissor finch is an extinct species of Hawaiian honeycreeper. Of the four species in the genus Rhodacanthis, the scissor-billed koa finch and the primitive koa finch became extinct before the arrival of the first Europeans to Hawaii in 1778. It was endemic to the islands of Maui and Kauaʻi in the Hawaiian Islands.

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Diet

The scissor-billed koa finch was a granivore, that, like the other members of its genus, had a bill adapted to eat the hard seeds and pods of legumes. Pollen and fossil evidence indicates that Ka palupalu o Kanaloa (Kanaloa kahoolawensis) and koaiʻa (Acacia koaia) were probably important food sources, and it may have eaten caterpillars and ʻaʻaliʻi (Dodonaea viscosa) berries.

Extinction

Due to its early extinction, very little is known about this species. It is only known from fossil remains. Other Hawaiian honeycreepers are known to have become extinct or very rare due to habitat loss, introduced predators and avian diseases. It is possible the extinction of the scissor-billed koa finch also involved these factors.

References

Scissor-billed koa finch Wikipedia


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