Maui Nukupuu
CR

Maui Nukupuu

Hemignathus affinis

Unknown

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Maui_nukupu%CA%BBu

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

The Maui Nukupuu faces severe threats from habitat destruction due to deforestation and agricultural conversion of native Hawaiian forests. Introduced diseases like avian malaria and pox, spread by non-native mosquitoes, have devastated populations, while invasive plant species continue to degrade remaining habitat quality.

Threat summary

Habitat

Native Hawaiian montane wet forests and mesic forests on Maui, typically at elevations between 1,200-2,100 meters where native koa and ohia trees dominate. The species requires intact forest canopy with native flowering plants and arthropod prey sources.

Other threatened species in Fringillidae

Pine GrosbeakVU

Pine Grosbeak

Pinicola enucleator

Unknown
OuCR

Ou

Psittirostra psittacea

Unknown
VU

European Serin

Serinus serinus

Unknown
Common RosefinchVU

Common Rosefinch

Carpodacus erythrinus

Unknown

Frequently asked questions

Why is Maui Nukupuu classified as Critically Endangered?
Maui Nukupuu is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. The Maui Nukupuu faces severe threats from habitat destruction due to deforestation and agricultural conversion of native Hawaiian forests. Introduced diseases like avian malaria and pox, spread by non-native mosquitoes, have devastated populations, while invasive plant species continue to degrade remaining habitat quality.
Where does Maui Nukupuu live?
Maui Nukupuu occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Maui Nukupuu?
The main threats to Maui Nukupuu are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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