Bornean Frogmouth vs Philippine Frogmouth
Batrachostomus mixtus 比較対象 Batrachostomus septimus
Side-by-Side Comparison
| 属性 | Bornean Frogmouth | Philippine Frogmouth |
|---|---|---|
| 学名 | Batrachostomus mixtus | Batrachostomus septimus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Podargidae | Podargidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 23.6 cm (9.3 in) | 31.3 cm (12.3 in) |
| 体重 | 46.3 g (1.63 oz) | 84.7 g (2.99 oz) |
| 食性 | Nocturnal perch-and-pounce predator feeding on large invertebrates, small frogs, and lizards on the forest floor. | Night-active predator pouncing from low perches onto large invertebrates including beetles, scorpions, and centipedes. |
| 一腹卵数 | -- | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Bornean Frogmouth
Soft melodic hooting; 'too-too' whistle from Bornean hill forest; gentle and ventriloquial; calls at night from dense undergrowth; alarm a soft hissing exhalation
Philippine Frogmouth
Repeated melodic 'kwee-kwee'; descending whistled phrase; calls from Philippine forest at night; medium-pitched; alarm a soft hiss; calls from low perch in dense undergrowth
Geographic Range & Migration
Bornean Frogmouth
Endemic to the highlands of Borneo at 900–2,400 m. Found in montane forest on Mount Kinabalu and adjacent ranges. Rare.
Philippine Frogmouth
Endemic to the Philippines, found on Luzon, Palawan, Mindanao, and adjacent islands. Resident in lowland and hill forest up to 1,500 m.
保全状況
Bornean Frogmouth
Philippine Frogmouth
How to Tell Them Apart
Bornean Frogmouth
Males grey-brown finely vermiculated dark; white scapular spots; females rufous-chestnut with white-buff spotting; small Borneo endemic closely resembling Sumatran Frogmouth but greyer with less contrast between crown and back.
Philippine Frogmouth
Males greyish-brown with fine black freckling and white-spotted scapulars; females rufous-chestnut with buff-white spotting; underparts barred buff and brown; Philippine endemic exhibiting typical Batrachostomus sexual dichromatism.
About These Birds
Bornean Frogmouth
ボルネオの山地固有の中型のガマグチヨタカ（23〜25cm）。暗褐色の羽毛を持つ。山地苔むした林の夜行性昆虫食者。ホースフィールドガマグチヨタカから最近分離独立。生態データが限られており、標高600m以上に限定される。
Philippine Frogmouth
フィリピン全土の低地と山地林に生息する中型のガマグチヨタカ（24〜27cm）。細かい白い斑点を持つ赤褐色の羽毛。夜行性の昆虫食者。性的二型が見られ、赤褐色型と褐色型がある。海面から標高2,000mまで生息する。