Sumatran Frogmouth vs Solomons Frogmouth
Batrachostomus poliolophus 比較対象 Rigidipenna inexpectata
Side-by-Side Comparison
| 属性 | Sumatran Frogmouth | Solomons Frogmouth |
|---|---|---|
| 学名 | Batrachostomus poliolophus | Rigidipenna inexpectata |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Podargidae | Podargidae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | — | — |
| 翼開長 | 24.1 cm (9.5 in) | 38.4 cm (15.1 in) |
| 体重 | 46.3 g (1.63 oz) | 188.0 g (6.63 oz) |
| 食性 | Night hunter detecting prey by sound; takes large beetles, frogs, and lizards in swift pouncing … | Night-active predator catching large invertebrates (beetles, worms, centipedes) and occasionally small frogs by pouncing from … |
| 一腹卵数 | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sumatran Frogmouth
High melodic whistle; 'kee-wii' repeated softly at night; Sumatran highland forest endemic; rarely recorded; higher-pitched than lowland frogmouths; pairs call together
Solomons Frogmouth
Hollow hooting call from Solomon Islands forest; resonant 'boop-boop' at night; endemic to Guadalcanal; vocalizations rarely documented; soft frog-like quality
Geographic Range & Migration
Sumatran Frogmouth
Endemic to the highlands of Sumatra at 800–2,000 m. Found in submontane and montane rainforest. Rare and seldom recorded.
Solomons Frogmouth
Endemic to the Solomon Islands in the southwestern Pacific. Found in lowland rainforest on major islands including Bougainville and Guadalcanal.
保全状況
Sumatran Frogmouth
Solomons Frogmouth
How to Tell Them Apart
Sumatran Frogmouth
Males grey with fine black stippling and white scapular row; pale grey crown slightly paler than back; females rufous-cinnamon with white-spotted coverts; Sumatran endemic with noticeably pale grey crown distinguishing …
Solomons Frogmouth
Dark rufous-brown upperparts with black streaks and pale buff mottling; underparts buff barred dark brown; stiff rectrices unique in frogmouths; Solomon Islands endemic distinguished by rigid tail feathers and rich …
About These Birds
Sumatran Frogmouth
インドネシア、スマトラの標高900m以上の山地林固有の中型のガマグチヨタカ（23〜26cm）。細かい白みがかった模様を持つ赤褐色の羽毛。密な下生えの夜行性昆虫食者。知見が乏しく；森林喪失により準絶滅危惧に分類。
Solomons Frogmouth
A medium-sized frogmouth (25-29 cm) endemic to the Solomon Islands. Dark brown plumage. Nocturnal insectivore of lowland rainforest. One of the least known birds in its family due to its remote island range. Limited ecological data available.