Swamp Nightjar vs Antillean Nighthawk
Caprimulgus natalensis 对比 Chordeiles gundlachii
Side-by-Side Comparison
| 属性 | Swamp Nightjar | Antillean Nighthawk |
|---|---|---|
| 学名 | Caprimulgus natalensis | Chordeiles gundlachii |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 30.6 cm (12.0 in) | 34.2 cm (13.5 in) |
| 体重 | 76.3 g (2.69 oz) | 56.05 g (1.98 oz) |
| 食性 | Night-active aerial insectivore catching moths, beetles, and grasshoppers in sustained low-altitude hunting flights. | Catches flying insects in aerial sallies over Caribbean open country and coastal scrub at dusk. |
| 产卵数 | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Swamp Nightjar
Mellow churring trill; softer 'frog-like' chrrr from wetland margins; calls from papyrus and reed beds in Africa; lower and rounder than dryland nightjars
Antillean Nighthawk
Distinctive 'kill-and-dee-dick' or 'killydee'; buzzy nasal call audible overhead; faster and shorter phrasing than Common Nighthawk; Caribbean accent clear
Geographic Range & Migration
Swamp Nightjar
Known from a single wing found in Ethiopia's Nechisar National Park. Possibly extinct; range and taxonomy uncertain. Critically Endangered.
Antillean Nighthawk
Breeds in the Caribbean (Bahamas, Cuba, Cayman Islands, Jamaica) and Florida Keys; partially migratory within the Caribbean region.
保护状况
Swamp Nightjar
Antillean Nighthawk
How to Tell Them Apart
Swamp Nightjar
Relatively large; dark brown upperparts with heavy blackish streaking and pale buff spotting; broad white throat patch; underparts barred buff and dark brown; often shows paler underpart ground colour than …
Antillean Nighthawk
Brown and buff mottled above with dark brown streaking; white throat patch in male; barred buff-white underparts; white wing bar across primaries; white tail band in male; female has buff …
About These Birds
Swamp Nightjar
纳塔尔夜鹰，体长23–24厘米，分布于撒哈拉以南非洲湿润草地、沼泽地，有白色喉斑。
Antillean Nighthawk
安的列斯夜鹰(Chordeiles gundlachii)是一种体重约56克的夜鹰科鸟类，栖息于加勒比海的开阔灌木丛、稀树草原和沿海地区，包括巴哈马和古巴，在北美洲越冬。体色棕褐色，具白色翅斑。以飞行中的昆虫为食。