Blyth's Frogmouth vs Sri Lanka Frogmouth
Batrachostomus affinis compared with Batrachostomus moniliger
Side-by-Side Comparison
| Attribute | Blyth's Frogmouth | Sri Lanka Frogmouth |
|---|---|---|
| Scientific Name | Batrachostomus affinis | Batrachostomus moniliger |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Podargidae | Podargidae |
| Conservation Status | Not Evaluated | Least Concern |
| Length | — | — |
| Wingspan | — | 23.2 cm (9.1 in) |
| Weight | 47.8 g (1.69 oz) | 52.75 g (1.86 oz) |
| Diet | Night-active insectivore feeding on large beetles, moths, and crickets; drops from low branches to capture … | Crepuscular and nocturnal ground-gleaner eating large arthropods, worms, and occasional small frogs near forest streams. |
| 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
Sri Lanka Frogmouth
Repeated mellow 'oo-or' or 'kaow'; descending melodic whistle; calls at night from Sri Lankan rainforest; pairs often duet; alarm a soft hiss when threatened
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.
Sri Lanka Frogmouth
Endemic to Sri Lanka and the Western Ghats of southwestern India. Resident in tropical rainforest up to 1,800 m. Classified as Vulnerable.
Conservation Status
Blyth's Frogmouth
Sri Lanka 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.
Sri Lanka Frogmouth
Males brown-grey with black vermiculations and white scapular spots arranged in necklace pattern; females warm rufous with white spots; endemic to Sri Lanka and SW India; 'moniliger' refers to the …
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.
Sri Lanka Frogmouth
A small frogmouth (19-23 cm) endemic to the Western Ghats and Sri Lanka. Rufous-brown plumage with fine white spotting. Nocturnal insectivore of dense wet forest undergrowth. Known for its loud, distinctive frog-like croaking calls at dusk, inspiring its common name.