Ruddy-capped Nightingale-Thrush
Catharus frantzii
Small, plain-breasted thrush of highland forests, especially humid pine-oak. Feeds mainly on the ground, but also in fruiting bushes and trees. Sings from low to middle level perches, usually well hidden. More skulking than very similar Russet Nightingale-Thrush, but can be seen early and late in the day, hopping along the sides of quiet roads and paths. Slightly darker overall than Russet, with wholly pale orange underside of bill and plainer gray breast. Song distinctive: repeated fluty phrases, richer than Russet's song. Also compare with similar Orange-billed Nightingale-Thrush.
识别特征
This species is 15–18 cm in length and weighs 28 g. The adult has olive-brown upperparts, a rufous crown and nape, pale grey underparts, becoming whitish on the belly, and an orange lower mandible. The juvenile is darker faced, has pale centres to the upperpart feathers, brownish flanks and breast, and dark barring or spots on the belly. Several poorly defined subspecies have been defined differing in the exact tone of the upper and underpart plumage.<p>This bird's song is a beautiful rich and varied whistle, shee-vee-li-ee-ree, and call is a high thin seet or whooeet.
分类信息
The species was first described by German ornithologist Jean Cabanis in 1861. The binomial commemorates the German naturalist Alexander von Frantzius. Its closest living relatives seem to be the North American species complex containing the veery, the gray-cheeked, and Bicknell's thrush.
- 学名
- Catharus frantzii
- 命名信息
- Cabanis, 1861
- 目
- Passeriformes
- 科
- Turdidae
- 属
- Catharus
分布与栖息地
The ruddy-capped nightingale-thrush is a resident breeder in highlands from central Mexico to western Panama. It is found in the undergrowth of wet mountain oak and conifer forests and second growth, typically from about 1350 m to 3500 m altitude.
- 迁徙
- Resident species
行为
The ruddy-capped nightingale-thrush will normally forage on the forest floor, alone on in pairs, progressing in hops and dashes with frequent stops. It turns leaf litter in typical thrush fashion seeking insects and spiders, and also eats small fruits.<p>The nest is a bulky lined cup constructed 1–4 m high in dense undergrowth or a thicket, often near water. The two brown-blotched greyish or greenish-blue eggs are incubated by the female alone for 15–16 days to hatching, and the young are fed by both parents for 14–16 days more to fledgling.
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Creamy-bellied Gnatcatcher
Polioptila lactea
Distinctive gnatcatcher. Males have a glossy black cap and are gray above with a white face and yellow-washed underparts. Females have a gray cap. Forages acrobatically in the canopy and at the edges of humid forests and woodlands. May be seen alone or with mixed-species flocks. The song is a fast, thin “weet-weet-weet-weet.”
Jungle Nightjar
Caprimulgus indicus
Gray-brown nightjar of wooded, open grassy, and scrubby areas; not restricted to jungles. Intricately patterned, with a golden patch behind the ear (often not visible on a resting bird) and pale tan spots on the wings. Male shows bright white patches near the wingtips and on the edges of the tail that are buffy-brown in females. Similar Savanna Nightjar is much more densely patterned and lacks the tan wing spots; Savanna also tends to roost on the ground, versus in trees for Jungle Nightjar. Song is utterly alien-sounding and unique: a long series of bouncing “pooKIHpooKIHpooKIH” notes, comparable to a cartoon laser gun.
Choco Vireo
Vireo masteri
Rare vireo found only in lush Andean cloud forest in northwestern Ecuador and western Colombia. In contrast to the much more common Brown-capped Vireo, it has pale wingbars and may show an ochraceous wash on the throat and breast. Often accompanies mixed-species flocks high in the canopy, where it can be hard to see well. Song is a quick series of sweet-sounding notes that vary in pitch unpredictably.
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