Straight-billed Reedhaunter
Limnoctites rectirostris
Note the long straight bill. Brownish above, paler below, with a well-marked eyebrow, and rufous wings contrasting with an olive-brown back. Closely associated with fresh water, occurring in marshes with shrubs and trees. The song starts with sharp clear notes, followed by a high-pitched trill.
识别特征
The straight-billed reedhaunter (Limnoctites rectirostris) is a South American bird species in the family Furnariidae.
分类信息
Formerly it was placed in Limnornis with the curve-billed reedhaunter (Limnornis curvirostris) which lives in the same general region and habitat, and thus shares some adaptations with L. rectirostris. But L. rectirostris is closer to the typical spinetails (Cranioleuca) than to the curve-billed reedhaunter, and is the sister species of the sulphur-bearded reedhaunter.
- 学名
- Limnoctites rectirostris
- 命名信息
- (Gould, 1839)
- 目
- Passeriformes
- 科
- Furnariidae
- 属
- Limnoctites
分布与栖息地
This bird is found in north-eastern Argentina, south-eastern Brazil and Uruguay. In its range, it is essentially limited to marshy areas in pampas and campos from coastal lowlands to highlands. In Brazil, it is found in Rio Grande do Sul and Santa Catarina States. In Argentina, it occurs in Entre Ríos and the extreme north-east of Buenos Aires Provinces. In Uruguay, it is limited to the eastern and southern part of the country. In recent years, it has been recorded in Cerro Largo, Canelones, Maldonado – where Charles Darwin found it in 1833 at Laguna José Ignacio and Laguna del Diario, where it can still be found –, Rocha, San José and Treinta y Tres Departments (especially at the Quebrada de los Cuervos). From Lavalleja Department, there are only records from 1994, but the bird probably is still found there.<p>This species prefers marshy and swampy areas between sea level and 1,100 m ASL. A key feature of prime habitat is an abundant growth of caraguata (spiny eryngos, Eryngium spp.), such as E. pandanifolium which it utilizes particularly in upland localities. It is sometimes claimed that the two reedhaunters differ in microhabitat preference, occurring sympatrically in the same region but not within the same locality, but this seems to be incorrect.
- 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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Vireo modestus
A small inhabitant of thickets in woodlands and scrublands where it feeds by actively searching for insects within tangles; avoids mangroves and well-manicured woodlands that lack dense undergrowth. The Greater Antillean Elaenia shares this species’ wingbars and overall dull coloration, but the elaenia has prominent whitish markings around the eye and is usually found perched upright or flycatching. The Jamaican Vireo’s song includes a “chi-wee, chi-wee, chi-wee, chi-wee, you,” a “chi-wuh, chi-wuh, chi-wuh, zha,” and a “wee-wee-zhrr.” Calls include “jip,” given singly or in a series, and a harsh upslurred “zhweee.”
White Wagtail
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Distinctive but variable: all plumages are some bold combination of black, white, and gray. Shows considerable variation in plumage across the world, but never has a clear, thin and contrasting eye-brow like White-browed or Japanese Wagtail. Occurs in varied open habitats, from wild grassy areas and wetlands to paved car parks and grassy lawns. Usually seen as singles, pairs, or small groups walking and running around, pumping the long, white-sided tail up and down. Identified easily in flight by its loud, thick and distinctive “tsee-tsee’ call.
Orange-breasted Bunting
Passerina leclancherii
Beautiful small bunting of lowlands and foothills; endemic to west Mexico. Occurs in brushy woodland and edge, adjacent weedy fields, and open grassy areas. Often in small groups, feeding on roadside grasses and flushing up with brilliant blue flashes. Also feeds at all levels in fruiting trees and bushes. Male unmistakable: electric turquoise blue and green above; rich yellow below with a burnished orange breast. Female duller overall: greenish above and yellow below, with a bluish tail. Female brighter yellowish below than slightly larger female Painted Bunting.
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