Antillean Nighthawk vs Spot-tailed Nightjar
Chordeiles gundlachii 比較対象 Hydropsalis maculicaudus
Side-by-Side Comparison
| 属性 | Antillean Nighthawk | Spot-tailed Nightjar |
|---|---|---|
| 学名 | Chordeiles gundlachii | Hydropsalis maculicaudus |
| 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) | 25.8 cm (10.2 in) |
| 体重 | 56.05 g (1.98 oz) | 32.125 g (1.13 oz) |
| 食性 | Catches flying insects in aerial sallies over Caribbean open country and coastal scrub at dusk. | Catches flying insects in nocturnal aerial pursuit over Central and South American grassland. |
| 一腹卵数 | 1-2 | 1-2 |
| 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
Spot-tailed Nightjar
Soft, rhythmic churring; gentle 'trrr-trrr' from humid grassland; calls low from ground; quieter than most nightjars; alarm a subtle 'chek'; small and inconspicuous
Geographic Range & Migration
Antillean Nighthawk
Breeds in the Caribbean (Bahamas, Cuba, Cayman Islands, Jamaica) and Florida Keys; partially migratory within the Caribbean region.
Spot-tailed Nightjar
Resident of open cerrado, scrub, and forest edge in interior South America from Venezuela and the Guianas south to Bolivia, Brazil, and Paraguay.
保全状況
Antillean Nighthawk
Spot-tailed 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 …
Spot-tailed Nightjar
Small; brown and buff mottled above; pale buff below with dark barring; white throat in male; distinctive white spots on rounded tail distinguishing it from similar Hydropsalis; buff throat in …
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。
Spot-tailed Nightjar
A very small Caprimulgidae nightjar (~32 g) of open cerrado, llanos, and grass savanna in Central America and tropical South America. Named for white spots on the outer tail. Extremely secretive; roosts on the ground. Feeds on tiny insects at dusk and dawn. Less vocal than related species; Least Concern.