Hodgson's Frogmouth vs Bornean Frogmouth
Batrachostomus hodgsoni 比較対象 Batrachostomus mixtus
Side-by-Side Comparison
| 属性 | Hodgson's Frogmouth | Bornean Frogmouth |
|---|---|---|
| 学名 | Batrachostomus hodgsoni | Batrachostomus mixtus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Podargidae | Podargidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 26.6 cm (10.5 in) | 23.6 cm (9.3 in) |
| 体重 | 51.0 g (1.80 oz) | 46.3 g (1.63 oz) |
| 食性 | Nocturnal insectivore and occasional small-vertebrate predator; hunts by still-perch and drop technique onto large prey. | Nocturnal perch-and-pounce predator feeding on large invertebrates, small frogs, and lizards on the forest floor. |
| 一腹卵数 | 1-2 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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
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
Geographic Range & Migration
Hodgson's Frogmouth
Found from northeastern India through Myanmar, Thailand, and Indochina. Resident in foothill and hill forest at 300–2,000 m elevation.
Bornean Frogmouth
Endemic to the highlands of Borneo at 900–2,400 m. Found in montane forest on Mount Kinabalu and adjacent ranges. Rare.
保全状況
Hodgson's Frogmouth
Bornean Frogmouth
How to Tell Them Apart
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.
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.
About These Birds
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。
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。