Lesser Nighthawk vs White-throated Nightjar
Chordeiles acutipennis 对比 Eurostopodus mystacalis
Side-by-Side Comparison
| 属性 | Lesser Nighthawk | White-throated Nightjar |
|---|---|---|
| 学名 | Chordeiles acutipennis | Eurostopodus mystacalis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 33.0 cm (13.0 in) | 50.4 cm (19.8 in) |
| 体重 | 50.0 g (1.76 oz) | 138.25 g (4.88 oz) |
| 食性 | Hawks small flying insects at dusk and dawn over North and South American arid scrub … | Catches large flying insects, especially moths and beetles, in aerial sallies over Australian and Pacific … |
| 产卵数 | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
共同栖息地
Lesser Nighthawk only
White-throated Nightjar only
Song & Call Comparison
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
White-throated Nightjar
Resonant, churring song; rapid 'good-lord-deliver-us' or 'chaw-chaw-chaw'; low, bubbling trill carrying through rainforest; softer than related species
Geographic Range & Migration
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.
White-throated Nightjar
Resident of open woodland and scrub in eastern and northern Australia; also found on offshore islands and in southern New Guinea.
保护状况
Lesser Nighthawk
White-throated Nightjar
How to Tell Them Apart
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 …
White-throated Nightjar
Grey-brown with rufous and black mottling; large bold white throat patch distinctive; no white wing spots or tail markings; well-camouflaged on bark. Male and female similar; one of the larger …
About These Birds
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。
White-throated Nightjar
大型夜鹰（约138克）。分布于澳大利亚东部和新几内亚沿海。喉部有白色斑块。无危。