Dulit Frogmouth vs Philippine Frogmouth
Batrachostomus harterti в сравнении с Batrachostomus septimus
Side-by-Side Comparison
| Характеристика | Dulit Frogmouth | Philippine Frogmouth |
|---|---|---|
| Научное название | Batrachostomus harterti | Batrachostomus septimus |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Podargidae | Podargidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 48,4 cm (19.1 in) | 31,3 cm (12.3 in) |
| Масса | 206,0 g (7.27 oz) | 84,7 g (2.99 oz) |
| Питание | 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. |
| Размер кладки | -- | 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.
Охранный статус
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
A medium-sized frogmouth (25-27 cm) endemic to montane forests of northern Borneo. Dark brown plumage. Nocturnal insectivore. One of the rarest and least known frogmouths, known from very few specimens. Limited information on ecology and behavior.
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.