Rufous-tailed Palm-Thrush
Cichladusa ruficauda
Rather plain thrush with a rufous tail, brown back, buffy throat, and red eye. Found in woodland and thickets, usually in areas with palms. The pretty song is a variable mix of whistles and scratchy notes, and sometimes incorporates mimicry of other bird species. Somewhat similar to Familiar Chat, but easily separated by its larger size, red eyes, and lack of a black “T” pattern on the tail.
识别特征
Its length is 17–18 cm (6.7–7.1 in), and its weight is 22–37 g (0.78–1.31 oz). The sexes are alike. The head and nape are bright rufous-brown. The back, scapulars and the median and greater coverts are also rufous-brown, but are slightly paler. The flight feathers are dark brown, with rufous or rufous-brown edges, and the underwing coverts are pale buffish-brown. The rump and tail are rufous-brown or chestnut. The face and neck-sides are mostly pale grey, with the lores being darker. The chin, throat and upper breast are yellowish-buff. The breast and flanks are pale grey, and the centre of the belly is pale buff. The colour of the eyes ranges from brown to red. The beak is black, and the legs can be pale brown, pale purple or bluish-grey. The juvenile bird has dark streaks on its crown and nape and dark bars on its back. Its underparts are mostly greyish, with dark or dusky mottles.
分类信息
The rufous-tailed palm thrush was described as Bradyornis ruficauda by Hartlaub in 1857. The species is monotypic.
- 学名
- Cichladusa ruficauda
- 命名信息
- (Hartlaub, 1857)
- 目
- Passeriformes
- 科
- Muscicapidae
- 属
- Cichladusa
分布与栖息地
This species is found in Angola, Central African Republic, Republic of the Congo, Democratic Republic of the Congo, Equatorial Guinea, Gabon, and Namibia. The size of its range is estimated at 1,700,000 km2 (660,000 sq mi). Its habitat is palms, dry forests and secondary forests in riparian and coastal areas, at elevations of up to 1,200 m (3,900 ft). It also occurs in banana plantations and gardens.
- 迁徙
- Resident species
行为
Migration pattern: Resident species.
保护状况
Population trend: stable.
- 种群趋势
- stable
照片
分布
鸟叫声
其他鸟类
Sierra Leone Prinia
Schistolais leontica
A mostly dark gray long-tailed warbler with a striking whitish eye, buff flanks, and pinkish legs. Local and scarce in a handful of hills and mountains in Upper Guinea, where pairs and small groups skulk low down in very wet forest edge, riverine scrub, and thickets in gullies between 600 and 1600 meters of elevation. Calls include a high-pitched “sit-sit-sit.” and a more nasal “bur-bur-bur.” Other warblers lack the pale eye.
Principe Scops-Owl
Otus bikegila
Small, richly colored owl with small ear tufts. There are two morphs: one rich rufous and the other pale gray-brown. Found in lowland rainforest on the island of Principe. The vocalization is a series of hollow “klow” notes, similar to those of African Scops-Owl, but delivered much more quickly, about one note / second. Easily identified, as the only other owl on Principe is the much larger Barn Owl.
Buller's Albatross
Thalassarche bulleri
Breeds in New Zealand and ranges across the temperate South Pacific to the Humboldt Current; uncommon off Chile and Peru. All ages have thick black leading edge on the underwing, wider than the narrower black edge on larger Salvin’s and Chatham Albatrosses, and narrower than on stockier Gray-headed Albatross, a bird of cold subantarctic waters. Adult Buller’s has gray hood with silvery white crown and thick yellow edges on black bill. First-year birds have a paler gray hood, a pale bill with black “seam lines,” and black subterminal band; mostly like adult in 3 years. Compare with immature of larger Salvin’s Albatross.
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