The Kauaʻi ʻōʻō was a small songbird native to the Hawaiian island of Kauaʻi. It belonged to the family of Hawaiian honeycreepers and was known for its distinctive, sweet song. The bird had a unique appearance, with a long, curved bill adapted for feeding on nectar from native flowers. Unfortunately, the Kauaʻi ʻōʻō is now considered extinct, with the last confirmed sighting occurring in the early 1980s. Habitat loss, introduced predators, and diseases significantly contributed to its decline. The extinction of the Kauaʻi ʻōʻō highlights the vulnerability of Hawaiian ecosystems and the importance of conservation efforts for remaining native species.