Madagascar Nightjar vs Lesser Nighthawk
Caprimulgus madagascariensis 比較対象 Chordeiles acutipennis
Side-by-Side Comparison
| 属性 | Madagascar Nightjar | Lesser Nighthawk |
|---|---|---|
| 学名 | Caprimulgus madagascariensis | Chordeiles acutipennis |
| 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) | 33.0 cm (13.0 in) |
| 体重 | 42.333333333333336 g (1.49 oz) | 50.0 g (1.76 oz) |
| 食性 | Crepuscular and nocturnal moth specialist; supplements diet with beetles and flying termites over open woodland. | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| 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
Lesser Nighthawk
Loud purring trill; buzzy 'brrrrr' given in flight; lower and softer than Common Nighthawk; males display with booming wingbeats; calls at dusk over deserts
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.
Lesser Nighthawk
Breeds in open arid scrub from southwestern USA south through Central America to western South America; winters in Mexico and northern South America.
保全状況
Madagascar Nightjar
Lesser 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 …
Lesser Nighthawk
Brown and buff mottled above; buff-white below with brown barring; white throat in male; white wing bar closer to wingtip than in Common Nighthawk; buff tail band. Female with 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。
Lesser Nighthawk
ヒメナイトホーク(Chordeiles acutipennis)は北アメリカ南西部からブラジルにかけて広く分布するナイトホークです。体長約20cmで、細長い翼と独特の飛行パターンが特徴です。薄明時に昆虫を捕食し、砂地や岩石地の地面に営巣します。