Madagascar Nightjar vs Antillean Nighthawk
Caprimulgus madagascariensis 比較対象 Chordeiles gundlachii
Side-by-Side Comparison
| 属性 | Madagascar Nightjar | Antillean Nighthawk |
|---|---|---|
| 学名 | Caprimulgus madagascariensis | Chordeiles gundlachii |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 30.4 cm (12.0 in) | 34.2 cm (13.5 in) |
| 体重 | 42.333333333333336 g (1.49 oz) | 56.05 g (1.98 oz) |
| 食性 | Crepuscular and nocturnal moth specialist; supplements diet with beetles and flying termites over open woodland. | Catches flying insects in aerial sallies over Caribbean open country and coastal scrub at dusk. |
| 一腹卵数 | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Madagascar Nightjar
Churring call from Madagascar scrub; rhythmic 'trrr-trrr' at moderate tempo; endemic; calls at dusk and dawn from open woodland and hedgerows; alarm a sharp click
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
Madagascar Nightjar
Found across sub-Saharan Africa from Senegal east to Ethiopia and south to South Africa. Resident in swampy grassland and wetland margins.
Antillean Nighthawk
Breeds in the Caribbean (Bahamas, Cuba, Cayman Islands, Jamaica) and Florida Keys; partially migratory within the Caribbean region.
保全状況
Madagascar Nightjar
Antillean Nighthawk
How to Tell Them Apart
Madagascar Nightjar
Brown upperparts intricately patterned with black streaks and pale tawny freckles; buff-white throat band; underparts finely barred buff and dark brown; island endemic with slightly warmer coloration than continental African …
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
Madagascar Nightjar
体長23〜25cmのマダガスカル固有のヨタカ。乾燥落葉林から湿潤雨林に生息する。
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。