Sunda Frogmouth vs Sri Lanka Frogmouth
Batrachostomus cornutus 比較対象 Batrachostomus moniliger
Side-by-Side Comparison
| 属性 | Sunda Frogmouth | Sri Lanka Frogmouth |
|---|---|---|
| 学名 | Batrachostomus cornutus | Batrachostomus moniliger |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Podargidae | Podargidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 26.7 cm (10.5 in) | 23.2 cm (9.1 in) |
| 体重 | 46.3 g (1.63 oz) | 52.75 g (1.86 oz) |
| 食性 | Nocturnal forager on large insects and small lizards; sallies from perches to ground in dense … | Crepuscular and nocturnal ground-gleaner eating large arthropods, worms, and occasional small frogs near forest streams. |
| 一腹卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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
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
Sunda Frogmouth
Found on Borneo, Sumatra, and adjacent small islands in lowland and hill rainforest below 1,000 m. Uncommon primary forest resident.
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
Sunda Frogmouth
Sri Lanka Frogmouth
How to Tell Them Apart
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 …
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
Sunda Frogmouth
ボルネオ・スマトラ・ジャワの低地熱帯雨林に生息する中型のガマグチヨタカ（23〜28cm）。小さな耳房飾りを持つ暗褐色の羽毛。林内の夜行性昆虫食者。目の上の角のような羽房飾りで他のアジアのガマグチヨタカと識別できる。
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。