Dulit Frogmouth vs Tawny Frogmouth
Batrachostomus harterti so với Podargus strigoides
Side-by-Side Comparison
| Thuộc Tính | Dulit Frogmouth | Tawny Frogmouth |
|---|---|---|
| Tên Khoa Học | Batrachostomus harterti | Podargus strigoides |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Podargidae | Podargidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 48,4 cm (19.1 in) | 45,8 cm (18.0 in) |
| Khối Lượng | 206,0 g (7.27 oz) | 430,0 g (15.17 oz) |
| Chế Độ Ăn | Nocturnal carnivore feeding on large beetles, worms, and small lizards; also takes moths in low … | Nocturnal ground-gleaning insectivore; drops from a perch onto large insects, frogs, and small lizards below. |
| Số Trứng | -- | 1-5 |
| 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
Tawny Frogmouth
Resonant, repeated 'oom-oom-oom'; low booming hoot; soft and melodious for such a large bird; calls at night from Australian eucalypt forest; alarm a harsh 'grr'
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.
Tawny Frogmouth
Found throughout Australia including Tasmania. Resident in woodland, forest edge, and suburban areas. Widespread and common across the continent.
Tình Trạng Bảo Tồn
Dulit Frogmouth
Tawny 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.
Tawny Frogmouth
Cryptic silver-grey upperparts with black shaft streaks; underparts paler grey with dark streaking; females often more rufous-tawny morph; vivid yellow eyes; heavy hooked bill; famous for bark-mimicking upright posture when …
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.
Tawny Frogmouth
A large, stocky frogmouth (34-53 cm) endemic to Australia, widespread across the continent. Silvery-grey mottled plumage provides superb camouflage against tree bark. Nocturnal insectivore pouncing on prey from perches. Australia's most commonly encountered nocturnal bird.