Bornean Frogmouth vs Sri Lanka Frogmouth
Batrachostomus mixtus 比較対象 Batrachostomus moniliger
Side-by-Side Comparison
| 属性 | Bornean Frogmouth | Sri Lanka Frogmouth |
|---|---|---|
| 学名 | Batrachostomus mixtus | Batrachostomus moniliger |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Podargidae | Podargidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 23.6 cm (9.3 in) | 23.2 cm (9.1 in) |
| 体重 | 46.3 g (1.63 oz) | 52.75 g (1.86 oz) |
| 食性 | Nocturnal perch-and-pounce predator feeding on large invertebrates, small frogs, and lizards on the forest floor. | Crepuscular and nocturnal ground-gleaner eating large arthropods, worms, and occasional small frogs near forest streams. |
| 一腹卵数 | -- | 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
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
Bornean Frogmouth
Endemic to the highlands of Borneo at 900–2,400 m. Found in montane forest on Mount Kinabalu and adjacent ranges. Rare.
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.
保全状況
Bornean Frogmouth
Sri Lanka 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.
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
Bornean Frogmouth
ボルネオの山地固有の中型のガマグチヨタカ（23〜25cm）。暗褐色の羽毛を持つ。山地苔むした林の夜行性昆虫食者。ホースフィールドガマグチヨタカから最近分離独立。生態データが限られており、標高600m以上に限定される。
Sri Lanka Frogmouth
西ガーツ山脈とスリランカ固有の小型のガマグチヨタカ（19〜23cm）。細かい白い斑点を持つ赤褐色の羽毛。密な湿潤林下生えの夜行性昆虫食者。夕暮れに発するカエルのような大きな特徴的な鳴き声が一般名の由来。