Dune Lark
Calendulauda erythrochlamys
A medium-sized lark that has a rounded head lacking a crest, and a slightly decurved bill. Varies geographically: in the north there is a plain face pattern and diffuse pale streaking that is restricted to the breast; in the south a bold face pattern, and a heavily streaked breast with unstreaked flanks. Upperparts coloration varies from mostly pale sandy-pink to buff to sandy-brown, usually matching the prevailing soil color in the region. Pairs are found in the sand dunes of the Namib Desert, and on soft sands of semi-arid Karoo and coastal shrublands. The male sings from dunes or bushes, and in spring also performs an aerial flight display 10-30 meters above the ground, with deep wingbeats, fluttering, and dangling legs. The song is a distinctive rolling set of dry raspy introductory clicks, followed by whistles and trills. The slightly smaller and more boldly marked Karoo Lark has streaking extending to the flanks that is lacking in Dune Lark.
分类信息
- 学名
- Calendulauda erythrochlamys
- 目
- Passeriformes
- 科
- Alaudidae
- 属
- Calendulauda
照片
分布
鸟叫声
其他鸟类
Gray-headed Tanager
Eucometis penicillata
Small, uncommon tanager of humid tropical lowland forest, sometimes found at army ant swarms. Typically inhabits low to mid-levels of shady understory, as singles or pairs. Sexes look alike, with bushy gray head cleanly cut off from the rich yellow underparts and olive-green upperparts. Song is a rich squeaky warble, at times prolonged.
Spectacled Redstart
Myioborus melanocephalus
Attractive warbler of cloud forest and stunted treeline forest in the Andes. Common member of mixed-species flocks. Ranges from far southern Colombia south to Bolivia. Has slaty-gray upperparts, yellow underparts, and bold yellow spectacles. Crown is rufous in the northern half of its range, but solid black in the southern half. Some birds in northern Ecuador and southern Colombia have a yellow forehead. Actively forages along branches, often spreading its tail exposing white outer tail feathers.
Chucao Tapaculo
Scelorchilus rubecula
Fairly common to common in native temperate forest, adjacent shrubbery, wooded patches, and thickets along rivers and streams, especially with bamboo. Loud ringing song is commonly heard, but calling birds can be elusive. At other times can be confiding, walking out at close range as if curious, usually with tail cocked. Plumage distinctive, with bright rusty eyebrow, throat, and breast. Compare with the larger and fatter Chestnut-throated Huet-huet.
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