Psittirostra psittacea
The 'Ou (Psittirostra psittacea) was a strikingly beautiful and highly specialized Hawaiian honeycreeper, now tragically extinct. Males were distinguished by a vibrant lemon-yellow head, contrasting with an olive-green body and dark wings, typically measuring around 17-18 cm (7 inches) in length. Females, while similar in build, displayed a duller, more uniformly olive-green plumage with only a faint yellow wash on the head, making sexual dimorphism quite evident. Juveniles resembled females....
Historically inhabited mid-elevation to montane wet forests, particularly those dominated by native ʻōhiʻa (Metrosideros polymorpha) and koa (Acacia koa) trees, typically between 300 to 2000 meters (1,000-6,500 feet) elevation.
Primarily consumed the seeds and pulp of the ʻieʻie vine (Freycinetia arborea) fruit, extracting them with its specialized bill. Also fed on nectar from ʻōhiʻa and koa flowers, and occasionally insects.
The 'Ou was a diurnal and often restless bird, frequently observed in small, active flocks or pairs foraging within the forest canopy. Its most remarkable behavior revolved around its specialized foraging strategy: using its powerful, hooked bill to tear open the tough, pandanus-like fruit of the...
Historically, the 'Ou was widely distributed across the major Hawaiian islands of Kauaʻi, Oʻahu, Molokaʻi, Maui, and Hawaiʻi. By the early 20th century, its range had significantly contracted, with populations primarily confined to the higher elevation native forests of Kauaʻi and Hawaiʻi. On Kau...
Extinct
- The 'Ou possessed one of the most uniquely adapted bills among Hawaiian honeycreepers, perfectly suited for opening the tough fruits of the 'ie'ie vine. - Its Hawaiian name, 'ʻŌʻū' (pronounced 'Oh-ooh'), is an onomatopoeia derived from its distinctive whistling call. - Despite once being widesp...