Blyth's Frogmouth vs Large Frogmouth
Batrachostomus affinis compared with Batrachostomus auritus
Side-by-Side Comparison
| Attribute | Blyth's Frogmouth | Large Frogmouth |
|---|---|---|
| Scientific Name | Batrachostomus affinis | Batrachostomus auritus |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Podargidae | Podargidae |
| Conservation Status | Not Evaluated | Vulnerable |
| Length | — | — |
| Wingspan | — | 52.1 cm (20.5 in) |
| Weight | 47.8 g (1.69 oz) | 206.0 g (7.27 oz) |
| Diet | Night-active insectivore feeding on large beetles, moths, and crickets; drops from low branches to capture … | Crepuscular and nocturnal; hunts large insects, spiders, and small vertebrates by dropping from perches to … |
| 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
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
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.
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.
Conservation Status
Blyth's Frogmouth
Large 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.
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.
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.
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.