Sri Lanka Frogmouth vs Tawny Frogmouth
Batrachostomus moniliger 比較対象 Podargus strigoides
Side-by-Side Comparison
| 属性 | Sri Lanka Frogmouth | Tawny Frogmouth |
|---|---|---|
| 学名 | Batrachostomus moniliger | Podargus strigoides |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Podargidae | Podargidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 23.2 cm (9.1 in) | 45.8 cm (18.0 in) |
| 体重 | 52.75 g (1.86 oz) | 430.0 g (15.17 oz) |
| 食性 | Crepuscular and nocturnal ground-gleaner eating large arthropods, worms, and occasional small frogs near forest streams. | Nocturnal ground-gleaning insectivore; drops from a perch onto large insects, frogs, and small lizards below. |
| 一腹卵数 | 1 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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
Tawny Frogmouth
Resonant, repeated 'oom-oom-oom'; low booming hoot; soft and melodious for such a large bird; calls at night from Australian eucalypt forest; alarm a harsh 'grr'
Geographic Range & Migration
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.
Tawny Frogmouth
Found throughout Australia including Tasmania. Resident in woodland, forest edge, and suburban areas. Widespread and common across the continent.
保全状況
Sri Lanka Frogmouth
Tawny Frogmouth
How to Tell Them Apart
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 …
Tawny Frogmouth
Cryptic silver-grey upperparts with black shaft streaks; underparts paler grey with dark streaking; females often more rufous-tawny morph; vivid yellow eyes; heavy hooked bill; famous for bark-mimicking upright posture when …
About These Birds
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。
Tawny Frogmouth
A large, stocky frogmouth (34-53 cm) endemic to Australia, widespread across the continent. Silvery-grey mottled plumage provides superb camouflage against tree bark. Nocturnal insectivore pouncing on prey from perches. Australia's most commonly encountered nocturnal bird.