Wilson's Indigobird
Vidua wilsoni
A nest parasite that lays its eggs in the nests of Bar-breasted Firefinch. Breeding males are glossy purplish-black with a pale brownish panel in the wings, while females and non-breeding males are brown and streaky on the back and pale below, with a bold facial pattern. The bill is white and the legs pinkish. Found in a wide variety of open habitats including open woodland, thickets, savanna, cultivated areas, and scrub. Breeding males can be identified with care by their vocalizations and purple gloss. Non-breeding males and females cannot be separated visually from other indigobirds. Imitates the vocalizations of its host firefinches: a low “chip” call and an up-and-down twittering song.
分类信息
- 学名
- Vidua wilsoni
- 命名信息
- (Hartert, EJO, 1901)
- 目
- Passeriformes
- 科
- Viduidae
- 属
- Vidua
分布与栖息地
- 迁徙
- Resident species
保护状况
- 种群趋势
- stable
照片
分布
其他鸟类
White-streaked Antvireo
Dysithamnus leucostictus
Small antbird found inside cloud forest along the east slope of Andes and in Venezuela’s coastal mountains. Male is black with small white spots on wings that usually form parallel lines; faint streaking on breast is almost impossible to see in the field. Female is very different, with chestnut upperparts and grayish underparts covered with broad, pale stripes. Inhabits forest understory. Usually heard before seen. Vocalizations include a rising and then falling series of notes, an abrupt churr, and a series of dry rattles.
Kashmir Nutcracker
Nucifraga multipunctata
A jay-like bird with a long pointed bill, a black cap, and white spots all over. Very similar to Eurasian Nutcracker, but the Kashmir Nutcracker appears whiter overall with more white on the back, underparts, undertail, and tail tips. Forages in conifers for nuts and seeds, occasionally descending to the ground. Calls include loud, harsh “kraaa” notes.
Tepui Swift
Streptoprocne phelpsi
Large, dark swift of tepui highlands. Note generally dark appearance, broad wings, and forked tail. If seen in good light, chestnut collar of adult is diagnostic; otherwise this species may be difficult to distinguish from other large swifts, especially at a distance. Found around the tepuis and down to at least 400 meters in the surrounding region. Forages high for insects, often with other swifts; may descend to just above treetop level to feed on swarms of emerging winged ants and termites. In poor light, most similar to White-chinned Swift but has more deeply forked tail.
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