Large Frogmouth vs Sunda Frogmouth
Batrachostomus auritus comparado com Batrachostomus cornutus
Side-by-Side Comparison
| Atributo | Large Frogmouth | Sunda Frogmouth |
|---|---|---|
| Nome científico | Batrachostomus auritus | Batrachostomus cornutus |
| Ordem | Caprimulgiformes | Caprimulgiformes |
| Família | Podargidae | Podargidae |
| Estado de conservação | Vulnerable | Least Concern |
| Comprimento | — | — |
| Envergadura | 52,1 cm (20.5 in) | 26,7 cm (10.5 in) |
| Peso | 206,0 g (7.27 oz) | 46,3 g (1.63 oz) |
| Dieta | Crepuscular and nocturnal; hunts large insects, spiders, and small vertebrates by dropping from perches to … | Nocturnal forager on large insects and small lizards; sallies from perches to ground in dense … |
| Tamanho da postura | 1 | 1 |
| 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
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
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.
Sunda Frogmouth
Found on Borneo, Sumatra, and adjacent small islands in lowland and hill rainforest below 1,000 m. Uncommon primary forest resident.
Estado de conservação
Large Frogmouth
Sunda 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.
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 …
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.
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.