Sumatran Frogmouth vs Marbled Frogmouth
Batrachostomus poliolophus 比較対象 Podargus ocellatus
Side-by-Side Comparison
| 属性 | Sumatran Frogmouth | Marbled Frogmouth |
|---|---|---|
| 学名 | Batrachostomus poliolophus | Podargus ocellatus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Podargidae | Podargidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 24.1 cm (9.5 in) | 35.2 cm (13.9 in) |
| 体重 | 46.3 g (1.63 oz) | 205.83333333333334 g (7.26 oz) |
| 食性 | Night hunter detecting prey by sound; takes large beetles, frogs, and lizards in swift pouncing … | Strictly nocturnal; takes large beetles, frogs, and lizards by silent perch-drop onto the forest floor. |
| 一腹卵数 | 1 | 1-2 |
| 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
Marbled Frogmouth
Loud 'oom-oom-oom' or bubbling cackle; resonant hollow hooting; calls from New Guinea forest at night; alarm a harsh hiss; repertoire includes soft cooing and chuckling
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.
Marbled Frogmouth
Found in New Guinea and Australia (Cape York Peninsula). Resident in tropical rainforest, vine thickets, and dense monsoon forest.
保全状況
Sumatran Frogmouth
Marbled 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 …
Marbled Frogmouth
Intricately marbled chestnut-brown and black upperparts with pale buff ocellations; underparts pale buff barred dark brown; large yellow eyes; massive hooked bill; female averages more rufous-chestnut than grey-brown male.
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。
Marbled Frogmouth
A large frogmouth (38-50 cm) found in New Guinea and surrounding islands and northeast Australia. Mottled brown, black, and white plumage resembling tree bark. Nocturnal insectivore with a wide, hooked bill. Inhabits rainforest and forest edges.