Bates's Nightjar vs Antillean Nighthawk
Caprimulgus batesi 对比 Chordeiles gundlachii
Side-by-Side Comparison
| 属性 | Bates's Nightjar | Antillean Nighthawk |
|---|---|---|
| 学名 | Caprimulgus batesi | Chordeiles gundlachii |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 37.1 cm (14.6 in) | 34.2 cm (13.5 in) |
| 体重 | 100.5 g (3.55 oz) | 56.05 g (1.98 oz) |
| 食性 | Nighttime aerial hunter of moths and large beetles; forages in low-level coursing flight above grassland … | Catches flying insects in aerial sallies over Caribbean open country and coastal scrub at dusk. |
| 产卵数 | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Bates's Nightjar
Deep, resonant churring trill; one of larger African Caprimulgus; low hollow 'churrrr' from Central African rainforest; calls at night from dense lowland forest
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
Bates's Nightjar
Found across West Africa from Gambia east to Sudan and south to the DRC. Resident in open savanna. Male has spectacular elongated tail feathers.
Antillean Nighthawk
Breeds in the Caribbean (Bahamas, Cuba, Cayman Islands, Jamaica) and Florida Keys; partially migratory within the Caribbean region.
保护状况
Bates's Nightjar
Antillean Nighthawk
How to Tell Them Apart
Bates's Nightjar
Large and very dark; blackish-brown upperparts with minimal pale patterning; small white throat spot; underparts dark brown with buff barring; one of the darkest nightjars, inhabiting dense Central African rainforests.
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
Bates's Nightjar
贝茨夜鹰,体长24–26厘米,分布于西非和中非几内亚湾,栖息于低地原始雨林,鲜为人知。
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。