Birds
File:Hemignathus lucidus 1838 Lichtenstein.jpg

Oahu Nukupuʻu

Oahu Nukupuʻu

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The Oahu Nukupuʻu was an extinct Hawaiian honeycreeper endemic to Oahu. It was a medium-sized bird with olive-green plumage and a strikingly long, decurved bill with a shorter lower mandible, adapted for specialized insect foraging.
Where to spot
Historically endemic to the native forests of Oahu, Hawaii, particularly in the Koʻolau and Waiʻanae mountain ranges.
How to spot
Observation is no longer possible. Historical records describe it as an active forager, identified by its olive plumage and its unique, long, decurved upper mandible that was much longer than its lower mandible.
When to spot
Last observed in 1893 and is considered extinct. It is no longer observable.
File:Hemignathus lucidus 1838 Lichtenstein.jpg
File:Hemignathus lucidus AvesHawaiienses00Wils 0172.jpg
File:Hemignathus lucidus AvesHawaiienses00Wils 0176.jpg
File:Hemignathus lucidus hanapepe.jpg
File:Nukupuu Hemignathus lucidus.JPG
File:Hemignathus lucidus 1838 Lichtenstein.jpg
Credits: Wikimedia Commons
File:Hemignathus lucidus AvesHawaiienses00Wils 0172.jpg
Credits: Wikimedia Commons
File:Hemignathus lucidus AvesHawaiienses00Wils 0176.jpg
Credits: Wikimedia Commons
File:Hemignathus lucidus hanapepe.jpg
Credits: Wikimedia Commons
File:Nukupuu Hemignathus lucidus.JPG
Credits: Wikimedia Commons
Its highly specialized bill shape was an extreme example of adaptive radiation among Hawaiian honeycreepers, allowing it to exploit a specific insect niche.
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