Madagascar Nightjar vs Heinrich's Nightjar
Caprimulgus madagascariensis 比較対象 Eurostopodus diabolicus
Side-by-Side Comparison
| 属性 | Madagascar Nightjar | Heinrich's Nightjar |
|---|---|---|
| 学名 | Caprimulgus madagascariensis | Eurostopodus diabolicus |
| 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) | 39.9 cm (15.7 in) |
| 体重 | 42.333333333333336 g (1.49 oz) | 104.0 g (3.67 oz) |
| 食性 | Crepuscular and nocturnal moth specialist; supplements diet with beetles and flying termites over open woodland. | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. |
| 一腹卵数 | 2 | 1 |
| 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
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
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.
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
保全状況
Madagascar Nightjar
Heinrich's Nightjar
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 …
Heinrich's Nightjar
Rufous-brown and dark brown mottled with buff vermiculations; large pale buff throat patch; pale buff supercilium; no white wing markings; tail darkly barred brown and buff. Poorly known; Sulawesi endemic.
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。
Heinrich's Nightjar
スラウェシ島固有のヨタカで、体重104g。「悪魔のヨタカ」という名で知られる。