Sombre Nightjar vs Antillean Nighthawk
Caprimulgus fraenatus 对比 Chordeiles gundlachii
Side-by-Side Comparison
| 属性 | Sombre Nightjar | Antillean Nighthawk |
|---|---|---|
| 学名 | Caprimulgus fraenatus | Chordeiles gundlachii |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 32.4 cm (12.8 in) | 34.2 cm (13.5 in) |
| 体重 | 60.0 g (2.12 oz) | 56.05 g (1.98 oz) |
| 食性 | Feeds at night on flying insects including moths and beetles; hunts with buoyant erratic flight … | Catches flying insects in aerial sallies over Caribbean open country and coastal scrub at dusk. |
| 产卵数 | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sombre Nightjar
Monotonous churring trill; repetitive 'churr' at moderate tempo from East African scrub; lower-pitched and less musical than some relatives; calls persistently at night
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
Sombre Nightjar
Found across East Africa from Ethiopia and Somalia south to Tanzania. Resident in dry acacia scrub, thornbush, and arid savanna at low elevations.
Antillean Nighthawk
Breeds in the Caribbean (Bahamas, Cuba, Cayman Islands, Jamaica) and Florida Keys; partially migratory within the Caribbean region.
保护状况
Sombre Nightjar
Antillean Nighthawk
How to Tell Them Apart
Sombre Nightjar
Uniformly dark sooty-brown upperparts with dense blackish vermiculations; pale buff supercilium and narrow white submoustachial stripe; underparts barred buff and dark brown. Sexes similar.
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
Sombre Nightjar
雀斑夜鹰变种，体长23–25厘米，分布于撒哈拉以南非洲（埃塞俄比亚至南非），栖息于开阔林地和稀树草原。
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。