Palawan frogmouth vs Marbled Frogmouth
Batrachostomus chaseni compared with Podargus ocellatus
Side-by-Side Comparison
| Attribute | Palawan frogmouth | Marbled Frogmouth |
|---|---|---|
| Scientific Name | Batrachostomus chaseni | Podargus ocellatus |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Podargidae | Podargidae |
| Conservation Status | Not Evaluated | Least Concern |
| Length | — | — |
| Wingspan | — | 35.2 cm (13.9 in) |
| Weight | 40.0 g (1.41 oz) | 205.83333333333334 g (7.26 oz) |
| Diet | Crepuscular hunter of large beetles and other insects; uses wide gape to engulf prey flushed … | Strictly nocturnal; takes large beetles, frogs, and lizards by silent perch-drop onto the forest floor. |
| Clutch Size | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Palawan frogmouth
High, thin melodic whistle; calls at night from Palawan island forest; poorly documented endemic; presumed similar to Philippine Frogmouth in vocal quality
Marbled Frogmouth
Loud 'oom-oom-oom' or bubbling cackle; resonant hollow hooting; calls from New Guinea forest at night; alarm a harsh hiss; repertoire includes soft cooing and chuckling
Geographic Range & Migration
Palawan frogmouth
Endemic to Palawan Island in the western Philippines. Resident in lowland and hill forest up to 1,200 m. Rare; restricted to Palawan.
Marbled Frogmouth
Found in New Guinea and Australia (Cape York Peninsula). Resident in tropical rainforest, vine thickets, and dense monsoon forest.
Conservation Status
Palawan frogmouth
Marbled Frogmouth
How to Tell Them Apart
Palawan frogmouth
Males greyish-brown with fine dark vermiculations and white scapular spotting; females rufous with white-spotted wing coverts; Palawan Island endemic; plumage closely resembles Philippine Frogmouth but restricted to single island.
Marbled Frogmouth
Intricately marbled chestnut-brown and black upperparts with pale buff ocellations; underparts pale buff barred dark brown; large yellow eyes; massive hooked bill; female averages more rufous-chestnut than grey-brown male.
About These Birds
Palawan frogmouth
A medium-sized frogmouth endemic to the island of Palawan in the Philippines. Dark rufous-brown plumage. Nocturnal insectivore of lowland primary forest. One of the least known frogmouths. Named after Frederick Chasen. Limited ecological data available.
Marbled Frogmouth
A large frogmouth (38-50 cm) found in New Guinea and surrounding islands and northeast Australia. Mottled brown, black, and white plumage resembling tree bark. Nocturnal insectivore with a wide, hooked bill. Inhabits rainforest and forest edges.