Band-tailed Nighthawk
Nyctiprogne leucopyga
Distinctive, locally common nighthawk of lowland rivers. Appears small and dark; in dim light, best distinguished from other nighthawks by swallowlike profile and longish tail. Also note the white band across tail and lack of white in wings. Usually found near water in forest and savanna regions, occasionally in large groups; does not tend to fly high. Dark plumage recalls Blackish Nightjar, but shape and behavior are very different.
识别特征
The band-tailed nighthawk (Nyctiprogne leucopyga) is a species of nightjar in the family Caprimulgidae. It is widely spread throughout northern and central South America. Five subspecies are recognised. They are nocturnal birds that feed on flying insects. As with almost all nightjars, they lay their eggs directly on the ground and rely their camouflaged plumage to avoid predation.
分类信息
Genus: Nyctiprogne; Family: Caprimulgidae; Order: Caprimulgiformes.
- 学名
- Nyctiprogne leucopyga
- 命名信息
- (Spix, 1825)
- 目
- Caprimulgiformes
- 科
- Caprimulgidae
- 属
- Nyctiprogne
分布与栖息地
- 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
Sudan Golden Sparrow
Passer luteus
An unusual small sparrow of dry country. Males have a yellow head and underparts and a chestnut back. Females are much plainer, sandy brown on the back and pale below with a yellow wash. Found in dry thorn savanna, thorn scrub, and semi-desert. Nests colonially, and usually found in flocks, sometimes large, and sometimes mixed with other bird species. Similar to Arabian Golden Sparrow, but almost does not overlap in range. Male is separated by his chestnut back, and females by being duller and less yellow. The common calls include chirps and chatters.
Barred Dove
Geopelia maugeus
A small, long-tailed dove with extensive barring over its body. Pale gray head with distinctive orange eye-ring. Upperparts extensively barred brown; paler underside also strongly barred except for unbarred belly. Singles, pairs, and groups occur from sea level to the foothills. Forages on the ground or perches low in open habitats, lightly wooded areas, gardens, scrub, and plantations, often around villages. Unmistakable: the only small, long-tailed, extensively barred dove in range. Conspicuous high-pitched song is a disyllabic “wa-dloo” repeated often. Also gives a purring “grrrrrr” note.
Large Blue Flycatcher
Cyornis magnirostris
Typical blue flycatcher; male is bright blue above and orange below, while female is grayish-brown above with a light orange suffusion on her pale belly. Breeds in eastern Himalayan foothill forests and winters in more open habitat in lowlands of Thai-Malay peninsula. Combination of orange throat, long broad bill, and extensive orange on underparts (stretching from the throat down to the belly) serve to distinguish male from other similar species. Dull female is lighter-colored and has a paler throat than similar Chinese Blue-Flycatcher. Closely related Hill Blue Flycatcher is extremely similar and identification may be safer when based on range; visually, look for Large Blue’s slightly larger bill with a more pronounced hooked tip, paler throat in relation to the chest, and paler pinkish legs. Gives a high, sweet song with harsh rattling notes interspersed; averages longer than similar song of Hill Blue Flycatcher.
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