Sunda Frogmouth vs Papuan Frogmouth
Batrachostomus cornutus so với Podargus papuensis
Side-by-Side Comparison
| Thuộc Tính | Sunda Frogmouth | Papuan Frogmouth |
|---|---|---|
| Tên Khoa Học | Batrachostomus cornutus | Podargus papuensis |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Podargidae | Podargidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 26,7 cm (10.5 in) | 57,9 cm (22.8 in) |
| Khối Lượng | 46,3 g (1.63 oz) | 389,1666666666667 g (13.73 oz) |
| Chế Độ Ăn | Nocturnal forager on large insects and small lizards; sallies from perches to ground in dense … | Night hunter feeding primarily on large invertebrates and occasionally small lizards by perch-and-pounce technique. |
| Số Trứng | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Sunda Frogmouth only
Không
Papuan Frogmouth only
Song & Call Comparison
Sunda Frogmouth
Soft 'koo-koo' or melodic hooting; moderate pitch; calls from Sundaic lowland forest at night; pairs duet with answering calls; alarm a sharp hiss; ventriloquial quality
Papuan Frogmouth
Deep, booming 'oom-oom'; resonant hollow hoots from New Guinea rainforest; very large bird produces powerful low-frequency calls; alarm a loud hiss; calls at night
Geographic Range & Migration
Sunda Frogmouth
Found on Borneo, Sumatra, and adjacent small islands in lowland and hill rainforest below 1,000 m. Uncommon primary forest resident.
Papuan Frogmouth
Found across New Guinea and adjacent islands. Resident in lowland and hill forest, forest edge, and secondary growth up to 1,500 m.
Tình Trạng Bảo Tồn
Sunda Frogmouth
Papuan Frogmouth
How to Tell Them Apart
Sunda Frogmouth
Males brown-grey finely stippled with black and bearing white scapular spots; small white feather tufts above eye form horn-like projections; females rufous-chestnut with white spots; Sundaic species uniquely decorated with …
Papuan Frogmouth
Large; grey-brown upperparts finely vermiculated with black and buff; underparts pale grey-buff finely streaked and barred; prominent yellow eyes; females often more rufous-brown; largest frogmouth species in the Papuan region.
About These Birds
Sunda Frogmouth
A medium-sized frogmouth (23-28 cm) found in lowland rainforests of Borneo, Sumatra, and Java. Dark brown plumage with small ear-tufts. Nocturnal insectivore of forest interior. Distinguished from other Asian frogmouths by its horn-like feather tufts above the eyes.
Papuan Frogmouth
The largest frogmouth (50-60 cm) found in New Guinea and surrounding islands. Rufous-brown plumage with white spots and vermiculations. Massive bill and large red or yellow eyes. Nocturnal insectivore of lowland and hill forests, feeding on large insects and small vertebrates.