Birds
File:Hemignathus hanapepe AvesHawaiienses00Wils 0186.jpg

Kauai Nukupuʻu

Kauai Nukupuʻu

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The Kauai Nukupuʻu is a critically endangered (possibly extinct) Hawaiian honeycreeper endemic to Kauai. It was a medium-sized bird with olive-green plumage and a strikingly long, decurved bill with a shorter lower mandible.
Where to spot
Historically endemic to the high-elevation native forests of Kauai, Hawaii, particularly the Alakaʻi Wilderness Preserve.
How to spot
Observation is highly unlikely. Historically, it was identified by its olive-green plumage and most notably by its long, highly decurved bill with a much shorter lower mandible, used in its unique foraging technique.
When to spot
Last definitively observed in 1998, with unconfirmed sightings into the early 2000s. It is critically endangered and possibly extinct, thus extremely difficult, if not impossible, to observe.
File:Hemignathus hanapepe AvesHawaiienses00Wils 0186.jpg
File:Hemignathus hanapepe AvesHawaiienses00Wils 0186.jpg
Credits: Wikimedia Commons
The Nukupuʻu's highly asymmetrical bill was a unique adaptation, used like a pickaxe to probe and pry into bark and crevices for hidden insects, particularly beetle larvae.
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