Antillean Nighthawk vs Sickle-winged Nightjar
Chordeiles gundlachii 对比 Eleothreptus anomalus
Side-by-Side Comparison
| 属性 | Antillean Nighthawk | Sickle-winged Nightjar |
|---|---|---|
| 学名 | Chordeiles gundlachii | Eleothreptus anomalus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Vulnerable |
| 体长 | — | — |
| 翼展 | 34.2 cm (13.5 in) | 25.8 cm (10.2 in) |
| 体重 | 56.05 g (1.98 oz) | 43.7 g (1.54 oz) |
| 食性 | Catches flying insects in aerial sallies over Caribbean open country and coastal scrub at dusk. | Aerial insectivore; hawks moths and beetles at night over South American wet grassland and marshes. |
| 产卵数 | 1-2 | 2 |
| Population Trend | — | — |
Habitat Comparison
共同栖息地
无
Antillean Nighthawk only
Sickle-winged Nightjar only
Song & Call Comparison
Antillean Nighthawk
Distinctive 'kill-and-dee-dick' or 'killydee'; buzzy nasal call audible overhead; faster and shorter phrasing than Common Nighthawk; Caribbean accent clear
Sickle-winged Nightjar
Soft churring call; low-pitched, repetitive trill from grassland; males produce distinctive wing noise in display flight; vocalizations quiet compared to wing sounds
Geographic Range & Migration
Antillean Nighthawk
Breeds in the Caribbean (Bahamas, Cuba, Cayman Islands, Jamaica) and Florida Keys; partially migratory within the Caribbean region.
Sickle-winged Nightjar
Resident of open marshland, wet grassland, and savanna from Paraguay and adjacent Bolivia south to Uruguay and northeastern Argentina.
保护状况
Antillean Nighthawk
Sickle-winged Nightjar
How to Tell Them Apart
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 …
Sickle-winged Nightjar
Male with extraordinarily elongated sickle-shaped outer primaries; dark brown with buff mottling; white throat and wing spots. Female brown with buff spots; normal wing shape; male wing shape unique among …
About These Birds
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。
Sickle-winged Nightjar
体重约44克的小型夜鹰，栖息于南美洲东南部湿润潘帕斯草地。雄鸟具镰刀形翅膀轮廓。易危。