Rufous Nightjar vs Antillean Nighthawk
Antrostomus rufus 对比 Chordeiles gundlachii
Side-by-Side Comparison
| 属性 | Rufous Nightjar | Antillean Nighthawk |
|---|---|---|
| 学名 | Antrostomus rufus | Chordeiles gundlachii |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 33.8 cm (13.3 in) | 34.2 cm (13.5 in) |
| 体重 | 87.0 g (3.07 oz) | 56.05 g (1.98 oz) |
| 食性 | Nocturnal aerial insectivore; catches large moths and beetles in low aerial sallies over South American … | 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
Rufous Nightjar
Loud 'chuck-BURR's' or rapid rolling phrase; rich, melodic whistle; carries across South American forest; distinctive chucking intro note before main phrase
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
Rufous Nightjar
Resident of open woodland and scrub in tropical South America from Colombia, Venezuela, and Trinidad south through Brazil to Bolivia and Argentina.
Antillean Nighthawk
Breeds in the Caribbean (Bahamas, Cuba, Cayman Islands, Jamaica) and Florida Keys; partially migratory within the Caribbean region.
保护状况
Rufous Nightjar
Antillean Nighthawk
How to Tell Them Apart
Rufous Nightjar
Strongly rufous-brown overall with dark brown vermiculations; buff throat patch; white inner tail webs on outer tail feathers in male; no white gorget; uniformly rufous tones diagnostic among South American …
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
Rufous Nightjar
A medium Caprimulgidae nightjar (~87 g) of tropical dry forest, scrubby woodland, and clearings in Central and South America. Rich rufous-brown plumage makes it one of the more distinctively coloured nightjars. Calls with a rolling 'chuck-will's-widow'-like phrase in Spanish-speaking regions. Feeds on large insects. Least Concern.
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。