Maui Nukupuu
Hemignathus affinis
Conservation status data sourced from the IUCN Red List of Threatened Species.
Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Maui_nukupu%CA%BBu
Taxonomy & Classification
Kingdom
Animalia
Phylum
Chordata
Class
Aves
Order
Passeriformes
Family
Fringillidae
Genus
Hemignathus
Maui Nukupuu belongs to the family Fringillidae, order Passeriformes, within the Aves class.
Species Profile
Species profile data sourced from the IUCN Red List of Threatened Species.
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.
Key Facts
Habitat & Distribution
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.
Threats
IUCN Red List: Critically Endangered
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.
Agricultural conversion
Avian diseases (malaria and pox)
Climate change impacts
Habitat loss from deforestation
Invasive plant species
Community Sightings
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Sources & Attribution
How to Cite
IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS
GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org
This page: SpeciesRadar (2025). Maui Nukupuu (Hemignathus affinis). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/maui-nukupuu