Antillean Nighthawk vs Blackish Nightjar
Chordeiles gundlachii 比較対象 Nyctipolus nigrescens
Side-by-Side Comparison
| 属性 | Antillean Nighthawk | Blackish Nightjar |
|---|---|---|
| 学名 | Chordeiles gundlachii | Nyctipolus nigrescens |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 34.2 cm (13.5 in) | 27.6 cm (10.9 in) |
| 体重 | 56.05 g (1.98 oz) | 35.625 g (1.26 oz) |
| 食性 | Catches flying insects in aerial sallies over Caribbean open country and coastal scrub at dusk. | Nocturnal aerial insectivore; catches moths and small beetles in flight over South American forest and … |
| 一腹卵数 | 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
Blackish Nightjar
Soft, purring 'churr' at low volume; gentle repetitive trill from rocky substrate; calls modestly at dusk; alarm a sharp 'chek'; blends with dark rocky habitat
Geographic Range & Migration
Antillean Nighthawk
Breeds in the Caribbean (Bahamas, Cuba, Cayman Islands, Jamaica) and Florida Keys; partially migratory within the Caribbean region.
Blackish Nightjar
Resident of rocky outcrops, open woodland, and savanna in northern South America from Venezuela and the Guianas to Colombia and northern Brazil.
保全状況
Antillean Nighthawk
Blackish 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 …
Blackish Nightjar
Uniformly dark sooty-brown with fine buff and rufous vermiculations; pale buff throat patch; no white wing patches or tail spots; one of the darkest nightjars; closely resembles dark rocky substrates …
About These Birds
Antillean Nighthawk
アンティルナイトホーク(Chordeiles gundlachii)はカリブ海の島々に生息するナイトホークです。フロリダキーズでも繁殖が確認されています。体長約20cmで、夜行性の昆虫食鳥です。海岸部の開けた生息地を好みます。
Blackish Nightjar
A small, very dark Caprimulgidae nightjar (~36 g) of rocky outcrops and boulder-strewn habitat in northern South America from Venezuela to northeastern Brazil. Dark sooty-brown plumage blends with dark rocks. Roosts motionless on stones by day. Hunts small insects at night. Least Concern in its rocky habitat.