Hispaniolan Nightjar vs Lesser Nighthawk
Antrostomus ekmani 对比 Chordeiles acutipennis
Side-by-Side Comparison
| 属性 | Hispaniolan Nightjar | Lesser Nighthawk |
|---|---|---|
| 学名 | Antrostomus ekmani | Chordeiles acutipennis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 34.5 cm (13.6 in) | 33.0 cm (13.0 in) |
| 体重 | 61.833333333333336 g (2.18 oz) | 50.0 g (1.76 oz) |
| 食性 | Catches flying insects at night in Hispaniolan forest and scrub; diet similar to related nightjars. | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| 产卵数 | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Hispaniolan Nightjar
Melodic rolling whistle; similar to Whip-poor-will family; 'whi-poor-will' phrasing with Caribbean island accent; calls persistently from dry forest at night
Lesser Nighthawk
Loud purring trill; buzzy 'brrrrr' given in flight; lower and softer than Common Nighthawk; males display with booming wingbeats; calls at dusk over deserts
Geographic Range & Migration
Hispaniolan Nightjar
Endemic to Hispaniola (Haiti and Dominican Republic); resident of lowland and montane forest and scrub.
Lesser Nighthawk
Breeds in open arid scrub from southwestern USA south through Central America to western South America; winters in Mexico and northern South America.
保护状况
Hispaniolan Nightjar
Lesser Nighthawk
How to Tell Them Apart
Hispaniolan Nightjar
Brown and buff mottled above with dark vermiculations; white gorget in male; pale buff underparts with dark barring; white outer tail feather inner webs in male; buff tail tips in …
Lesser Nighthawk
Brown and buff mottled above; buff-white below with brown barring; white throat in male; white wing bar closer to wingtip than in Common Nighthawk; buff tail band. Female with buff …
About These Birds
Hispaniolan Nightjar
A medium Caprimulgidae nightjar (~62 g) endemic to the island of Hispaniola (Haiti and Dominican Republic). Inhabits dry and humid forest, pine woodland, and scrub at varying elevations. Cryptic brown-and-buff plumage. Nocturnal insectivore. Calls with a repeated phrase at night. Least Concern on Hispaniola.
Lesser Nighthawk
小夜鹰(Chordeiles acutipennis)是一种体重约50克的夜鹰科鸟类，栖息于从美国西南部和墨西哥到哥斯达黎加的荒漠、半干旱灌木丛和开阔林地，冬季迁徙至南美洲。在地面营巢，体色斑驳褐色，具出色的隐蔽性，以昆虫为食。