Large Frogmouth vs Marbled Frogmouth
Batrachostomus auritus compared with Podargus ocellatus
Side-by-Side Comparison
| Attribute | Large Frogmouth | Marbled Frogmouth |
|---|---|---|
| Scientific Name | Batrachostomus auritus | Podargus ocellatus |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Podargidae | Podargidae |
| Conservation Status | Vulnerable | Least Concern |
| Length | — | — |
| Wingspan | 52.1 cm (20.5 in) | 35.2 cm (13.9 in) |
| Weight | 206.0 g (7.27 oz) | 205.83333333333334 g (7.26 oz) |
| Diet | Crepuscular and nocturnal; hunts large insects, spiders, and small vertebrates by dropping from perches to … | Strictly nocturnal; takes large beetles, frogs, and lizards by silent perch-drop onto the forest floor. |
| Clutch Size | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Large Frogmouth
Deep, resonant 'whooo' or mellow hooting; one of Asia's largest frogmouths; calls from Bornean lowland forest at night; soft ventriloquial quality; alarm a hiss
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
Large Frogmouth
Found in the Thai-Malay Peninsula and Borneo in lowland and hill dipterocarp forest. Restricted to primary forest below 1,000 m. Scarce.
Marbled Frogmouth
Found in New Guinea and Australia (Cape York Peninsula). Resident in tropical rainforest, vine thickets, and dense monsoon forest.
Conservation Status
Large Frogmouth
Marbled Frogmouth
How to Tell Them Apart
Large Frogmouth
Large Bornean frogmouth; males grey-brown with fine black vermiculations and white scapular spots; females rich chestnut-brown with white-spotted wing coverts; yellow eyes; prominent rictal bristles; largest of the Batrachostomus frogmouths.
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
Large Frogmouth
A large frogmouth (38-42 cm) of lowland rainforests in Borneo and the Malay Peninsula. Rich brown plumage with white ear-tufts. Nocturnal insectivore with an enormous gape. The largest Asian frogmouth, feeding on large insects and small vertebrates.
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.