Yellow-billed Oxpecker
Buphagus africanus
A bulbul-sized olive-brown bird that sports a diagnostic red-tipped yellow bill, a red eye without an eye-wattle, and a pale buff rump. The juvenile lacks the bright bill and eye coloration but shows the pale rump. Small groups occur in savanna and farmland, where they require large wild ungulates and domestic stock to forage on; they clamber agilely over host mammals, gleaning ticks, mites and other ectoparasites, and occasionally drinking host blood. As they fly between large mammals, they give a distinctive sizzling-crackle call. The similar Red-billed Oxpecker differs from Yellow-billed Oxpecker by having a red bill, a yellow eye-wattle, and a dark rump the same color as the remainder of the upperparts.
识别特征
The yellow-billed oxpecker (Buphagus africanus) is a passerine bird in the family Buphagidae. It was previously placed in the starling and myna family, Sturnidae. It is native to the savannah of Sub-Saharan Africa from Senegal east to Sudan. It is least common in the extreme east of its range where it overlaps with the red-billed oxpecker, despite always dominating that species when feeding.
分类信息
In 1760 the French zoologist Mathurin Jacques Brisson included a description of the yellow-billed oxpecker in his Ornithologie based on a specimen collected in Senegal. He used the French name Le pique-boeuf and the Latin Buphagus. Although Brisson coined Latin names, these do not conform to the binomial system and are not recognised by the International Commission on Zoological Nomenclature. When in 1766 the Swedish naturalist Carl Linnaeus updated his Systema Naturae for the twelfth edition, he added 240 species that had been previously described by Brisson. One of these was the yellow-billed oxpecker. Linnaeus included a brief description, coined the binomial name Buphaga africana and cited Brisson's work. This species is placed in the genus Buphagus that was introduced by Brisson.<p>Two subspecies are recognised:
- 学名
- Buphagus africanus
- 命名信息
- Linnaeus, 1766
- 目
- Passeriformes
- 科
- Buphagidae
- 属
- Buphagus
分布与栖息地
- 迁徙
- Resident species
行为
Migration pattern: Resident species.
保护状况
Population trend: declining.
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
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Small, attractive tanager; bright crimson and black with a black mask and silver bill. Most commonly found in vegetation around oxbow lakes, also sometimes found in nearby forests and along rivers. Sexes similar though females are slightly duller than males. Extensive crimson and black mask easily distinguish this species from other tanagers within its range.
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Medium-large honeyeater with bright yellow throat. Back is olive green, head and breast are gray. Underbody and wings have subtle yellow coloration. Juveniles very similar to adults but are duller and have yellow at the base of the bill. Endemic to Tasmania and some surrounding islands; found in most forest and woodland habitats. Feeds primarily on insects and can often be seen foraging on tree trunks.
Canary Flyrobin
Devioeca papuana
A small bird of montane forest interior. Olive-green upperparts, yellow underparts, black bill and orange legs. Sallies for insects in the midstory but can also hop around flicking wings and fanning its tail. Somewhat similar to Yellow-legged Flycatcher and White-faced Robin, but Papuan Flycatcher occurs at higher elevation and lacks any white on the face or throat. Voice, a high-pitch, jumbled song or a simple “chip”.
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