Pennant-winged Nightjar vs Antillean Nighthawk
Caprimulgus vexillarius 对比 Chordeiles gundlachii
Side-by-Side Comparison
| 属性 | Pennant-winged Nightjar | Antillean Nighthawk |
|---|---|---|
| 学名 | Caprimulgus vexillarius | Chordeiles gundlachii |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 41.4 cm (16.3 in) | 34.2 cm (13.5 in) |
| 体重 | 189.70000000000002 g (6.69 oz) | 56.05 g (1.98 oz) |
| 食性 | Crepuscular forager targeting moths, termites, and large beetles; patrols forest edges and clearings at dusk. | 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
Pennant-winged Nightjar
Melodic whistled churring; cleaner, more musical than most African nightjars; male's display call a repeated mellow whistle; calls at dusk across miombo woodland
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
Pennant-winged Nightjar
Found across sub-Saharan Africa from Guinea east to Ethiopia and south to Angola. Resident in dry savanna, open woodland, and Sahel scrubland.
Antillean Nighthawk
Breeds in the Caribbean (Bahamas, Cuba, Cayman Islands, Jamaica) and Florida Keys; partially migratory within the Caribbean region.
保护状况
Pennant-winged Nightjar
Antillean Nighthawk
How to Tell Them Apart
Pennant-winged Nightjar
Large; dark brown and black upperparts with white wing-covert spots; large white primary patches visible in flight; breeding males grow extraordinary white pennant-shaped ninth primary extensions reaching 50 cm; females …
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
Pennant-winged Nightjar
旗状翎夜鹰,体长24–28厘米,分布于南非开阔林地,繁殖期雄鸟发育出长达60厘米的白色旗状羽,为长距离非洲内部迁徙鸟类。
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。