Marbled Frogmouth vs Papuan Frogmouth

Podargus ocellatus compared with Podargus papuensis

Side-by-Side Comparison

Attribute Marbled Frogmouth Papuan Frogmouth
Scientific Name Podargus ocellatus Podargus papuensis
Order Caprimulgiformes Caprimulgiformes
Family Podargidae Podargidae
Conservation Status Least Concern Least Concern
Length
Wingspan 35.2 cm (13.9 in) 57.9 cm (22.8 in)
Weight 205.83333333333334 g (7.26 oz) 389.1666666666667 g (13.73 oz)
Diet Strictly nocturnal; takes large beetles, frogs, and lizards by silent perch-drop onto the forest floor. Night hunter feeding primarily on large invertebrates and occasionally small lizards by perch-and-pounce technique.
Clutch Size 1-2 1-2
Population Trend

Habitat Comparison

Shared Habitats

Marbled Frogmouth only

None

Papuan Frogmouth only

Song & Call Comparison

Marbled Frogmouth

Song

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

Papuan Frogmouth

Song

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

Marbled Frogmouth

Found in New Guinea and Australia (Cape York Peninsula). Resident in tropical rainforest, vine thickets, and dense monsoon forest.

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.

Conservation Status

Least Concern

Marbled Frogmouth

Least Concern

Papuan Frogmouth

How to Tell Them Apart

Marbled Frogmouth

Plumage

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.

Papuan Frogmouth

Plumage

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

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.

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.

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