Dulit Frogmouth vs Gould's Frogmouth
Batrachostomus harterti 比較対象 Batrachostomus stellatus
Side-by-Side Comparison
| 属性 | Dulit Frogmouth | Gould's Frogmouth |
|---|---|---|
| 学名 | Batrachostomus harterti | Batrachostomus stellatus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Podargidae | Podargidae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | — | — |
| 翼開長 | 48.4 cm (19.1 in) | 23.7 cm (9.3 in) |
| 体重 | 206.0 g (7.27 oz) | 52.05 g (1.84 oz) |
| 食性 | Nocturnal carnivore feeding on large beetles, worms, and small lizards; also takes moths in low … | Strictly nocturnal forager; catches large beetles, cockroaches, and centipedes by dropping silently to the forest … |
| 一腹卵数 | -- | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Dulit Frogmouth
Soft hooting whistle; mellow repeated 'hoo-hoo'; calls from Bornean montane forest; similar to Large Frogmouth but higher-pitched; rarely recorded; call easily missed
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
Dulit Frogmouth
Endemic to the highlands of Borneo at 900–2,500 m. Found in montane forest on Gunung Dulit and other ranges in Sarawak and Sabah. Rare.
Gould's Frogmouth
Found in the Thai-Malay Peninsula, Sumatra, and Borneo in lowland dipterocarp and peat swamp forest below 600 m. Uncommon.
保全状況
Dulit Frogmouth
Gould's Frogmouth
How to Tell Them Apart
Dulit Frogmouth
Males dark grey with black vermiculations and white-spotted scapulars; females deep rufous-chestnut with white-spotted coverts; Borneo montane endemic; strongly dimorphic with male grey and female rufous patterns contrasting sharply.
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
Dulit Frogmouth
ボルネオ北部の山地林固有の中型のガマグチヨタカ（25〜27cm）。暗褐色の羽毛を持つ。夜行性の昆虫食者。最も希少で知られていないガマグチヨタカのひとつで、ごく少数の標本しか知られていない。生態と行動の情報が限られている。
Gould's Frogmouth
マレー半島・スマトラ・ボルネオの低地原生熱帯雨林に生息する中型のガマグチヨタカ（21〜25cm）。星を思わせる白い斑点で飾られた豊かな褐色の羽毛。夜行性の昆虫食者。低地の継続的な森林破壊により準絶滅危惧に分類。