Oriolus isabellae
The Isabela Oriole, Oriolus isabellae, is a highly elusive and critically endangered songbird endemic to the island of Luzon in the Philippines. Measuring approximately 21-23 cm (8.3-9.1 inches) in length, it stands out among its typically vibrant relatives for its remarkably drab, cryptic plumage. Its body is predominantly olive-green, with slightly yellower underparts and a dusky olive-brown head and nape, which can appear almost blackish on the face. The wings and tail are darker, often wi...
This arboreal species primarily inhabits lowland dipterocarp forests, forest edge, and disturbed secondary growth, rarely venturing into higher elevations up to 1,000 meters.
Its diet primarily consists of insects, such as caterpillars and beetles, supplemented with various fruits and possibly nectar found within the forest canopy.
The Isabela Oriole is a diurnal and highly arboreal bird, spending most of its time foraging stealthily within the forest canopy, often remaining obscured by foliage. It forages by gleaning insects and fruits from leaves and branches, exhibiting a quiet and deliberate search pattern. Due to its e...
The Isabela Oriole is strictly endemic to the island of Luzon in the Philippines, with a historically restricted distribution primarily across several provinces in northern and central Luzon. While records exist from Cagayan, Isabela, Aurora, Quirino, Kalinga, and Bataan provinces, its current kn...
Critically Endangered
- The Isabela Oriole is considered one of the world's rarest and most enigmatic bird species, having been 'rediscovered' in 1993 after decades with no confirmed sightings. - Unlike most vibrant orioles, this species is uniquely drab, sporting a camouflage-like olive-green plumage that makes it in...