Sharpbill
Oxyruncus cristatus
A unique species with a patchy distribution from Costa Rica to Brazil. True to its name, the bill is sharply pointed. Both sexes are olive-green above and whitish or pale yellowish below with bold dark spotting. The orange crown patch is difficult to see. Not well known, but seems to occur mostly in mature forest in foothills from around 700–1,700 m. Often follows mixed-species flocks. Can forage acrobatically or perch upright for longer periods. Most easily detected by its strange song, a long descending whistle.
识别特征
The sharpbill (Oxyruncus cristatus) is a small passerine bird that is placed in its own family Oxyruncidae. It was formerly placed in the family Tityridae. Its range is from the mountainous areas of tropical South America and southern Central America (Panama and Costa Rica). It inhabits the canopy of wet forest and feeds on fruit and some invertebrates. It has an orange erectile crest, black-spotted yellowish underparts and scaling on the head and neck. As its name implies, it has a straight, pointed beak, which gives its common name. Sharpbills are most commonly found in tall dense forests but occasionally venture to the forest edge. Their diet consists of primarily of fruit, but they will also take insects, hanging upside down in from twigs to obtain insect larvae. They will also travel in mixed-species feeding flocks with ovenbirds, tanagers, woodpeckers and cotingas. The breeding system employed by this species is polygamous with closely grouped males displaying in from a lek. The nest of the sharpbill is built by the female and is a small cup built on a slender branch. Chicks are fed by regurgitation.
分类信息
Genus: Oxyruncus; Family: Oxyruncidae; Order: Passeriformes.
- 学名
- Oxyruncus cristatus
- 命名信息
- Swainson, 1821
- 目
- Passeriformes
- 科
- Oxyruncidae
- 属
- Oxyruncus
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
Sabah Partridge
Tropicoperdix graydoni
Intricately-patterned partridge of tropical lowland rainforest. Uncommon and declining throughout its range. Brown with buff scaling, rusty bib, stippled black-and-white head pattern, and a pale throat. Forages in small flocks on the forest floor. Found at lower altitudes than other partridges in range and distinguished by pale ear patch and lack of rufous on the head. Song, often given as a duet, consists of loud, tremulous whistles followed by a series of up and down notes “weep! churrrrr…!”.
New Holland Honeyeater
Phylidonyris novaehollandiae
Distinctive honeyeater found in coastal heath and gardens. Underparts white with black streaking. Back, wings, and head black with yellow panels on tail and wings. Distinguished from the similar White-cheeked Honeyeater by presence of two smaller white patches on side of face, rather than one large patch. Feeds mostly on nectar but supplements its diet with insects. Often found near flowering Banksia.
Malawi Batis
Batis dimorpha
A cute, dumpy, colorful flycatcher-like bird that flits around in the mid-canopy and understory of forest, forest edge, plantations, and gardens. Males have a broad black chest band, yellow-orange eye, white stripe through the top of the wing, and white throat. Females have an orange eye, buff-and-white stripe through the top of the wing, and rufous chin patch. The song is a series of 8-9 plaintive steady piping “peooop” notes, and calls include buzzing grating “ddrz-drrzt-drrr, ddt-ddzt-drzt-drr”. Female Dark Batis is distinguished by its darker (rich rufous rather than white and buff) wing stripe. Male Dark Batis is very similar, but has a slightly longer tail and broader black breast stripe. Also similar to Chinspot Batis, but has darker orange color to the eyes, and female Malawi Batis shows paler rufous on the throat and buff tinges to the wing stripe.
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