Antillean Nighthawk vs Least Nighthawk
Chordeiles gundlachii 比較対象 Chordeiles pusillus
Side-by-Side Comparison
| 属性 | Antillean Nighthawk | Least Nighthawk |
|---|---|---|
| 学名 | Chordeiles gundlachii | Chordeiles pusillus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 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. |
| 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
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.
保全状況
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
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。
Least Nighthawk
リーストナイトホーク(Chordeiles pusillus)は南アメリカ内陸部に生息する小型のナイトホークです。ブラジル中部からアルゼンチン北部にかけて分布します。体長約16cmで、岩石地や砂地の開けた生息地を好みます。夕暮れ時に昆虫を捕食します。