Dulit Frogmouth vs Hodgson's Frogmouth
Batrachostomus harterti 比較対象 Batrachostomus hodgsoni
Side-by-Side Comparison
| 属性 | Dulit Frogmouth | Hodgson's Frogmouth |
|---|---|---|
| 学名 | Batrachostomus harterti | Batrachostomus hodgsoni |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Podargidae | Podargidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 48.4 cm (19.1 in) | 26.6 cm (10.5 in) |
| 体重 | 206.0 g (7.27 oz) | 51.0 g (1.80 oz) |
| 食性 | Nocturnal carnivore feeding on large beetles, worms, and small lizards; also takes moths in low … | Nocturnal insectivore and occasional small-vertebrate predator; hunts by still-perch and drop technique onto large prey. |
| 一腹卵数 | -- | 1-2 |
| 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
Hodgson's Frogmouth
Soft, whistled 'whoo-whoo'; gentle mellow hoot from Himalayan forest; calls at dusk and night; pairs duet with slightly different pitch; alarm a prolonged hiss
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.
Hodgson's Frogmouth
Found from northeastern India through Myanmar, Thailand, and Indochina. Resident in foothill and hill forest at 300–2,000 m elevation.
保全状況
Dulit Frogmouth
Hodgson'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.
Hodgson's Frogmouth
Males grey-brown with dense dark vermiculations and bold white scapular spots; females rufous-chestnut with white-spotted wing coverts; relatively large Batrachostomus; ranges across Himalayan foothills and mainland Southeast Asia.
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。
Hodgson's Frogmouth
東ヒマラヤとインドシナの山麓と山地林に生息する中型のガマグチヨタカ（24〜27cm）。大胆な白い斑点模様を持つ褐色の羽毛。密な林下生えの夜行性昆虫食者。標高300〜2,000mに生息する。