Madagascar Nightjar vs Cayenne Nightjar
Caprimulgus madagascariensis 比較対象 Setopagis maculosa
Side-by-Side Comparison
| 属性 | Madagascar Nightjar | Cayenne Nightjar |
|---|---|---|
| 学名 | Caprimulgus madagascariensis | Setopagis maculosa |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Data Deficient |
| 体長 | — | — |
| 翼開長 | 30.4 cm (12.0 in) | 27.8 cm (10.9 in) |
| 体重 | 42.333333333333336 g (1.49 oz) | 47.0 g (1.66 oz) |
| 食性 | Crepuscular and nocturnal moth specialist; supplements diet with beetles and flying termites over open woodland. | Catches flying insects in aerial pursuit at night over South American forest and 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
Cayenne Nightjar
Poorly known vocalizations; presumed churring trill based on genus; extremely rare recordings; distinct from other Setopagis by subtle tonal and rhythm differences
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.
Cayenne Nightjar
Known from a few specimens from French Guiana; possibly a rare resident of coastal forest and scrub; poorly known.
保全状況
Madagascar Nightjar
Cayenne 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 …
Cayenne Nightjar
Brown and buff mottled above with dark vermiculations; pale buff below with darker barring; white throat patch in male; outer tail spots white; data deficient; known from only a handful …
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。
Cayenne Nightjar
A small Caprimulgidae nightjar (~47 g) from coastal French Guiana and adjacent Suriname. Known from only a handful of specimens; biology essentially unknown. Mottled brown plumage presumed cryptic in leaf litter. Presumed nocturnal insectivore. Data Deficient due to extreme rarity of confirmed records in the wild.