Dulit Frogmouth vs Philippine Frogmouth
Batrachostomus harterti 比較対象 Batrachostomus septimus
Side-by-Side Comparison
| 属性 | Dulit Frogmouth | Philippine Frogmouth |
|---|---|---|
| 学名 | Batrachostomus harterti | Batrachostomus septimus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Podargidae | Podargidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 48.4 cm (19.1 in) | 31.3 cm (12.3 in) |
| 体重 | 206.0 g (7.27 oz) | 84.7 g (2.99 oz) |
| 食性 | Nocturnal carnivore feeding on large beetles, worms, and small lizards; also takes moths in low … | 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
Dulit Frogmouth
Soft hooting whistle; mellow repeated 'hoo-hoo'; calls from Bornean montane forest; similar to Large Frogmouth but higher-pitched; rarely recorded; call easily missed
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
Dulit Frogmouth
Endemic to the highlands of Borneo at 900–2,500 m. Found in montane forest on Gunung Dulit and other ranges in Sarawak and Sabah. 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
Dulit Frogmouth
Philippine Frogmouth
How to Tell Them Apart
Dulit Frogmouth
Males dark grey with black vermiculations and white-spotted scapulars; females deep rufous-chestnut with white-spotted coverts; Borneo montane endemic; strongly dimorphic with male grey and female rufous patterns contrasting sharply.
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
Dulit Frogmouth
ボルネオ北部の山地林固有の中型のガマグチヨタカ（25〜27cm）。暗褐色の羽毛を持つ。夜行性の昆虫食者。最も希少で知られていないガマグチヨタカのひとつで、ごく少数の標本しか知られていない。生態と行動の情報が限られている。
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。