Chasiempis ibidis
The Oahu Elepaio, *Chasiempis ibidis*, is a captivating and critically endangered monarch flycatcher endemic to the island of Oahu, Hawaii. This small passerine measures about 14 cm (5.5 in) in length and weighs 10-14 g, characterized by its dark olive-brown dorsal plumage and a striking rufous rump. Distinctive field marks include two prominent white wing bars, white outer tail feathers, and off-white to buffy underparts that are often subtly streaked. It maintains an upright posture and a c...
Primarily found in native 'ohi'a (Metrosideros polymorpha) and koa (Acacia koa) dominated wet and mesic forests, typically at elevations between 200 and 1200 meters (650-4000 feet).
Primarily insectivorous, consuming a wide variety of spiders and insects such as moths, beetles, crickets, and caterpillars. Forages primarily by gleaning from foliage and bark, and hawking flying insects.
The Oahu Elepaio is a highly active and restless diurnal bird, constantly flitting and gleaning through the understory and canopy. It employs a versatile foraging strategy, frequently performing aerial hawking to catch flying insects, gleaning from leaves and bark, and occasionally hovering to sn...
The Oahu Elepaio is an avian gem found exclusively on the island of Oahu, Hawaii. Historically, its distribution spanned across native wet, mesic, and even dry forests throughout the entire island, from low elevations near sea level up to the highest peaks of the mountain ranges. However, its ran...
Critically Endangered
- The Oahu Elepaio was considered a single species (*Chasiempis sandwichensis*) with its Kauai and Hawaii island relatives until 2008, when genetic evidence recognized them as distinct species. - In ancient Hawaiian culture, the Elepaio was considered an *akua* (god or spirit) of the forest, ofte...