• Summary
• Text account
• Data table and detailed info
• Distribution map
• Reference and further resources

Justification of Red List category
Although this species may have a restricted range, it is not believed to approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km² combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). The population trend appears to be stable, and hence the species does not approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size does not approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern.

Population justification
The population is estimated at approximately 850,000 individuals, with 800,000 on Hawai‘i island (Scott et al. 1986, Gorreson et al. 2009, Kendall et al. 2022). This is roughly equivalent to 570,000 mature individuals, placed here in the band 400,000-800,000.

Trend justification
Overall populations are thought to be stable on Hawai'i and Maui (Lindsey et al. 2020) and the species continues to be highly abundant (Kendall et al. 2022). Trends were inconclusive across all strata (open-forest, closed-forest and pasture) in the Hakalau Forest Unit on Hawai‘i island in both time periods 1999-2019 and 2010-2019, although density in closed forest alone appears to be decreasing (Kendall et al. 2022). At the Kona Forest Unit, trends were stable in both upper and lower strata and overall between 1999-2019. Populations at Hakalau and Kona forest units comprise c.12% of the total population and overall the population is suspected to be stable in the absence of evidence for any declines or substantial threats.

It is endemic to Hawai‘i, Maui, and Moloka‘i of the Hawaiian islands (U.S.A.).

Prevalence of avian malaria is high, but the species has evolved resistance to the disease and continues to be highly abundant (Names et al. 2021, Kendall et al. 2022).

Text account compilers
Vine, J.

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Recommended citation
BirdLife International (2024) Species factsheet: Hawaii Amakihi Chlorodrepanis virens. Downloaded from https://datazone.birdlife.org/species/factsheet/hawaii-amakihi-chlorodrepanis-virens on 23/11/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 23/11/2024.