Horsfield's Frogmouth vs Papuan Frogmouth
Batrachostomus javensis مقارنةً بـ Podargus papuensis
Side-by-Side Comparison
| السمة | Horsfield's Frogmouth | Papuan Frogmouth |
|---|---|---|
| الاسم العلمي | Batrachostomus javensis | Podargus papuensis |
| الرتبة | Caprimulgiformes | Caprimulgiformes |
| الفصيلة | Podargidae | Podargidae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 22,2 cm (8.7 in) | 57,9 cm (22.8 in) |
| الوزن | 46,333333333333336 g (1.63 oz) | 389,1666666666667 g (13.73 oz) |
| النظام الغذائي | Feeds nocturnally on large beetles, millipedes, and worms; occasionally takes small lizards by ground-pouncing. | Night hunter feeding primarily on large invertebrates and occasionally small lizards by perch-and-pounce technique. |
| عدد البيض في الوضع | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Horsfield's Frogmouth
Melodic 'choo-choo-choo' or plaintive whistle; repeated soft notes; calls from Javan and Philippine forest at night; pitch moderate; pairs often answer each other
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
Horsfield's Frogmouth
Found from the Thai-Malay Peninsula through Sumatra, Java, and Borneo to the Philippines. Resident in lowland and hill forest below 1,000 m.
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.
حالة الحفاظ
Horsfield's Frogmouth
Papuan Frogmouth
How to Tell Them Apart
Horsfield's Frogmouth
Males grey-brown with black freckling and white scapular spots; females warm tawny-rufous with bold white-spotted wing coverts; smallest of the Southeast Asian frogmouths; Javan endemic with finely patterned cryptic plumage.
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
Horsfield's Frogmouth
A medium-sized frogmouth (21-25 cm) found in lowland and foothill forests of the Malay Peninsula, Sumatra, Java, and Borneo. Dark brown plumage with rufous breast band. Nocturnal insectivore of dense forest undergrowth. Often detected by its distinctive whistled call.
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.