Blyth's Frogmouth vs Gould's Frogmouth
Batrachostomus affinis compared with Batrachostomus stellatus
Side-by-Side Comparison
| Attribute | Blyth's Frogmouth | Gould's Frogmouth |
|---|---|---|
| Scientific Name | Batrachostomus affinis | Batrachostomus stellatus |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Podargidae | Podargidae |
| Conservation Status | Not Evaluated | Near Threatened |
| Length | — | — |
| Wingspan | — | 23.7 cm (9.3 in) |
| Weight | 47.8 g (1.69 oz) | 52.05 g (1.84 oz) |
| Diet | Night-active insectivore feeding on large beetles, moths, and crickets; drops from low branches to capture … | Strictly nocturnal forager; catches large beetles, cockroaches, and centipedes by dropping silently to the forest … |
| Clutch Size | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Blyth's Frogmouth
Soft, repeated hooting whistle; 'wooo' calls from lowland Indochina forest; gentle pitch; calls at night from dense undergrowth; closely related to Horsfield's Frogmouth
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
Blyth's Frogmouth
Found in the Thai-Malay Peninsula, Sumatra, and Borneo in lowland forest and peat swamp forest. Closely related to Horsfield's Frogmouth.
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
Blyth's Frogmouth
Gould's Frogmouth
How to Tell Them Apart
Blyth's Frogmouth
Males brown-grey with dark vermiculations and white scapular spots; females rufous-buff with spotted coverts; Sundaland frogmouth recently split from Horsfield's; differs in marginally warmer brown tone and distribution.
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
Blyth's Frogmouth
A medium-sized frogmouth (23-25 cm) found in lowland forests from Myanmar through mainland Southeast Asia to Borneo. Brown plumage with pale collar. Nocturnal insectivore. Closely related to Horsfield's Frogmouth. Inhabits primary and secondary forest undergrowth.
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.