Bornean Frogmouth vs Philippine Frogmouth
Batrachostomus mixtus so với Batrachostomus septimus
Side-by-Side Comparison
| Thuộc Tính | Bornean Frogmouth | Philippine Frogmouth |
|---|---|---|
| Tên Khoa Học | Batrachostomus mixtus | Batrachostomus septimus |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Podargidae | Podargidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 23,6 cm (9.3 in) | 31,3 cm (12.3 in) |
| Khối Lượng | 46,3 g (1.63 oz) | 84,7 g (2.99 oz) |
| Chế Độ Ăn | 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. |
| Số Trứng | -- | 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.
Tình Trạng Bảo Tồn
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
A medium-sized frogmouth (23-25 cm) endemic to the mountains of Borneo. Dark brown plumage. Nocturnal insectivore of montane moss forest. Recently split from Horsfield's Frogmouth. Limited ecological data; restricted to elevations above 600 m.
Philippine Frogmouth
A medium-sized frogmouth (24-27 cm) found across the Philippines in lowland and montane forests. Rufous-brown plumage with fine white spots. Nocturnal insectivore. Sexually dimorphic, with rufous and brown morphs. Found from sea level to 2,000 m elevation.