Hawaiʻi ʻōʻō
…yellowish plumes on its rump, but lacked yellow thigh feathers like the Bishop's ʻōʻō, and also lacked the whitish edgings on its tail feathers like the Oʻahu ʻōʻō. It had the largest yellow plumes on its wings out of all the species of ʻōʻō. The name of the cinder cone Puʻu ʻŌʻō is often translated as "Hill of…