Bornean Frogmouth vs Gould's Frogmouth
Batrachostomus mixtus verglichen mit Batrachostomus stellatus
Side-by-Side Comparison
| Merkmal | Bornean Frogmouth | Gould's Frogmouth |
|---|---|---|
| Wissenschaftlicher Name | Batrachostomus mixtus | Batrachostomus stellatus |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Podargidae | Podargidae |
| Erhaltungsstatus | Least Concern | Near Threatened |
| Länge | — | — |
| Flügelspannweite | 23,6 cm (9.3 in) | 23,7 cm (9.3 in) |
| Gewicht | 46,3 g (1.63 oz) | 52,05 g (1.84 oz) |
| Ernährung | Nocturnal perch-and-pounce predator feeding on large invertebrates, small frogs, and lizards on the forest floor. | Strictly nocturnal forager; catches large beetles, cockroaches, and centipedes by dropping silently to the forest … |
| Gelegegröße | -- | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Bornean Frogmouth
Soft melodic hooting; 'too-too' whistle from Bornean hill forest; gentle and ventriloquial; calls at night from dense undergrowth; alarm a soft hissing exhalation
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
Bornean Frogmouth
Endemic to the highlands of Borneo at 900–2,400 m. Found in montane forest on Mount Kinabalu and adjacent ranges. Rare.
Gould's Frogmouth
Found in the Thai-Malay Peninsula, Sumatra, and Borneo in lowland dipterocarp and peat swamp forest below 600 m. Uncommon.
Erhaltungsstatus
Bornean Frogmouth
Gould's Frogmouth
How to Tell Them Apart
Bornean Frogmouth
Males grey-brown finely vermiculated dark; white scapular spots; females rufous-chestnut with white-buff spotting; small Borneo endemic closely resembling Sumatran Frogmouth but greyer with less contrast between crown and back.
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
Bornean Frogmouth
A medium-sized frogmouth (23-25 cm) endemic to the mountains of Borneo. Dark brown plumage. Nocturnal insectivore of montane moss forest. Recently split from Horsfield's Frogmouth. Limited ecological data; restricted to elevations above 600 m.
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.