Isabela Oriole

Oriolus isabellae

A medium-sized bird of lowland forest, including secondary habitats and bamboo in northern Luzon. Yellow underparts blend into olive upperparts. Bill fairly long and silver. Forages for fruit and insects, sometimes in mixed-species flocks. Similar to White-lored Oriole, but slightly larger, with a silver rather than red bill and no white spot in front of the eye. Song consists of a medium-pitched, upslurred whistle, “hoowit!”.

分类信息

The Isabela oriole is commonly confused with the much more common white-lored orioles and black-naped orioles. It is differentiated by its extremely large bill grey bill, uniform olive-yellow plumage and lack of white on its lores.<p>The Isabela oriole is most closely related to the white-lored oriole. Both species are closely related to the paraphyletic Philippine oriole. The Isabela oriole is sometimes considered to form a superspecies with the dark-throated oriole and the Philippine oriole. Alternate names for the Isabela oriole include the green-lored oriole and olive-lored oriole.

学名
Oriolus isabellae
命名信息
Ogilvie-Grant, 1894
Passeriformes
Oriolidae
Oriolus

分布与栖息地

The Isabela oriole is now confined to the lowland forests in the Northern Sierra Madre mountain range in Luzon. It is frequently seen in the canopy and middle storeys of forests and also forest edge or patches up to 440 masl. It is seen in mixed flocks with other birds such as bar-bellied cuckooshrikes, black-and-white trillers, blackish cuckooshrikes and other forest birds.<p>It has not been recorded in Bataan province since 1947 despite an intensive search done in 2014.

迁徙
Resident species

保护状况

The Isabela oriole has a known population of about 50-250 mature individuals and is assessed as Critically Endangered based on its extremely small and fragmented population. Organisations such as Buhay-Ilang and the Mabuwaya Foundation are working to conserve them with educational programs and festivals celebrating this bird. The oriole is now a Flagship species for the North Sierra Madre National Park.<p>Since 2015, a research and conservation project for the Isabela Oriole has been implemented in Baggao by the Mabuwaya Foundation. Information, education and communication, community consultations are held in Baggao with the local government, the Department of Environment and Natural Resources and local residents. Plans are underway to declare the oriole site in Baggao a Critical Habitat and to encourage ecotourism.

种群趋势
declining

照片

分布

其他鸟类

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Miombo Tit

Miombo Tit

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Typical tit, with a black, white, and gray pattern. The black bib continues as a dark stripe down the center of the underparts. There are white edgings on much of the wing and the outer tail. Found in miombo broadleaf woodland. Usually in pairs or small groups, and readily joins mixed-species flocks. Gives typical tit vocalizations including the classic “dree di-di-di” call and other whistled and chatty calls. Overlaps slightly in range with the similar Ashy Tit, but has a paler wing and underparts, and different habitat.

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