Sunda Frogmouth vs Gould's Frogmouth
Batrachostomus cornutus compared with Batrachostomus stellatus
Side-by-Side Comparison
| Attribute | Sunda Frogmouth | Gould's Frogmouth |
|---|---|---|
| Scientific Name | Batrachostomus cornutus | Batrachostomus stellatus |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Podargidae | Podargidae |
| Conservation Status | Least Concern | Near Threatened |
| Length | — | — |
| Wingspan | 26.7 cm (10.5 in) | 23.7 cm (9.3 in) |
| Weight | 46.3 g (1.63 oz) | 52.05 g (1.84 oz) |
| Diet | Nocturnal forager on large insects and small lizards; sallies from perches to ground in dense … | Strictly nocturnal forager; catches large beetles, cockroaches, and centipedes by dropping silently to the forest … |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sunda Frogmouth
Soft 'koo-koo' or melodic hooting; moderate pitch; calls from Sundaic lowland forest at night; pairs duet with answering calls; alarm a sharp hiss; ventriloquial quality
Gould's Frogmouth
High, melodic 'kee-kee-kee' whistle; thin and reedy for frogmouth; calls from Bornean lowland forest; higher-pitched than other frogmouths; rarely observed or recorded
Geographic Range & Migration
Sunda Frogmouth
Found on Borneo, Sumatra, and adjacent small islands in lowland and hill rainforest below 1,000 m. Uncommon primary forest resident.
Gould's Frogmouth
Found in the Thai-Malay Peninsula, Sumatra, and Borneo in lowland dipterocarp and peat swamp forest below 600 m. Uncommon.
Conservation Status
Sunda Frogmouth
Gould's Frogmouth
How to Tell Them Apart
Sunda Frogmouth
Males brown-grey finely stippled with black and bearing white scapular spots; small white feather tufts above eye form horn-like projections; females rufous-chestnut with white spots; Sundaic species uniquely decorated with …
Gould's Frogmouth
Males pale grey-brown finely marked with dark vermiculations and starring white scapular spots; females rich cinnamon-rufous with white spotting; small Sundaland frogmouth with disproportionately bold scapular spots for its size.
About These Birds
Sunda Frogmouth
A medium-sized frogmouth (23-28 cm) found in lowland rainforests of Borneo, Sumatra, and Java. Dark brown plumage with small ear-tufts. Nocturnal insectivore of forest interior. Distinguished from other Asian frogmouths by its horn-like feather tufts above the eyes.
Gould's Frogmouth
A medium-sized frogmouth (21-25 cm) of lowland primary rainforest in the Malay Peninsula, Sumatra, and Borneo. Rich brown plumage spangled with white spots resembling stars. Nocturnal insectivore. Classified as Near Threatened due to ongoing lowland deforestation.