Antillean Nighthawk vs Least Nighthawk
Chordeiles gundlachii 对比 Chordeiles pusillus
Side-by-Side Comparison
| 属性 | Antillean Nighthawk | Least Nighthawk |
|---|---|---|
| 学名 | Chordeiles gundlachii | Chordeiles pusillus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 34.2 cm (13.5 in) | 25.0 cm (9.8 in) |
| 体重 | 56.05 g (1.98 oz) | 29.733333333333334 g (1.05 oz) |
| 食性 | Catches flying insects in aerial sallies over Caribbean open country and coastal scrub at dusk. | Catches small flying insects in aerial pursuit over South American scrub and open areas; crepuscular. |
| 产卵数 | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
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
Least Nighthawk
High-pitched, buzzy trill; thin 'pee-pee-pee' series; soft churring from ground; tiny size matched by high, reedy call quality; rarely loud
Geographic Range & Migration
Antillean Nighthawk
Breeds in the Caribbean (Bahamas, Cuba, Cayman Islands, Jamaica) and Florida Keys; partially migratory within the Caribbean region.
Least Nighthawk
Resident of open savanna and cerrado in interior South America from Venezuela and the Guianas south to Bolivia and central Brazil.
保护状况
Antillean Nighthawk
Least Nighthawk
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 …
Least Nighthawk
Smallest Chordeiles; brown and buff mottled above; pale buff underparts with dark barring; small white throat patch in male; narrow white wing bar; white or buff tail spots. Female has …
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。
Least Nighthawk
侏夜鹰(Chordeiles pusillus)是体型最小的夜鹰属鸟类，体重约30克，属夜鹰科，栖息于巴西东部、玻利维亚北部和委内瑞拉的开阔塞拉多草原、卡廷加灌木丛和干旱林地。体色斑驳棕褐色，以飞行中的昆虫为食。