Dulit Frogmouth vs Papuan Frogmouth
Batrachostomus harterti в сравнении с Podargus papuensis
Side-by-Side Comparison
| Характеристика | Dulit Frogmouth | Papuan Frogmouth |
|---|---|---|
| Научное название | Batrachostomus harterti | Podargus papuensis |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Podargidae | Podargidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 48,4 cm (19.1 in) | 57,9 cm (22.8 in) |
| Масса | 206,0 g (7.27 oz) | 389,1666666666667 g (13.73 oz) |
| Питание | Nocturnal carnivore feeding on large beetles, worms, and small lizards; also takes moths in low … | Night hunter feeding primarily on large invertebrates and occasionally small lizards by perch-and-pounce technique. |
| Размер кладки | -- | 1-2 |
| 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
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
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.
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.
Охранный статус
Dulit Frogmouth
Papuan 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.
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
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.
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.