Antillean Nighthawk vs Nacunda Nighthawk
Chordeiles gundlachii 比較対象 Chordeiles nacunda
Side-by-Side Comparison
| 属性 | Antillean Nighthawk | Nacunda Nighthawk |
|---|---|---|
| 学名 | Chordeiles gundlachii | Chordeiles nacunda |
| 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) | 47.6 cm (18.7 in) |
| 体重 | 56.05 g (1.98 oz) | 157.0 g (5.54 oz) |
| 食性 | Catches flying insects in aerial sallies over Caribbean open country and coastal scrub at dusk. | Aerial insectivore; forages in flocks hawking flying insects over South American grassland and open country. |
| 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
Nacunda Nighthawk
Deep, booming 'na-KUN-da' or 'woop-woop'; low-pitched buzzy calls; wings produce loud rattling sound in display; louder than most nighthawks
Geographic Range & Migration
Antillean Nighthawk
Breeds in the Caribbean (Bahamas, Cuba, Cayman Islands, Jamaica) and Florida Keys; partially migratory within the Caribbean region.
Nacunda Nighthawk
Resident of open savanna, grassland, and scrub from Colombia and Venezuela south through Brazil to Argentina; partially nomadic.
保全状況
Antillean Nighthawk
Nacunda 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 …
Nacunda Nighthawk
Large nighthawk; brown above with buff mottling; white throat and belly contrasting strongly with dark breast; bold white wing bar across primaries visible in flight; white tail band. 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。
Nacunda Nighthawk
ナクンダナイトホーク(Chordeiles nacunda)は南アメリカのグラン・チャコや草原地帯に生息する大型のナイトホークです。体長約28cmで、白い翼帯が特徴的です。開けた草原や農地を好み、群れで行動することがあります。