Blyth's Frogmouth vs Philippine Frogmouth
Batrachostomus affinis 比較対象 Batrachostomus septimus
Side-by-Side Comparison
| 属性 | Blyth's Frogmouth | Philippine Frogmouth |
|---|---|---|
| 学名 | Batrachostomus affinis | Batrachostomus septimus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Podargidae | Podargidae |
| 保全状況 | Not Evaluated | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 31.3 cm (12.3 in) |
| 体重 | 47.8 g (1.69 oz) | 84.7 g (2.99 oz) |
| 食性 | Night-active insectivore feeding on large beetles, moths, and crickets; drops from low branches to capture … | Night-active predator pouncing from low perches onto large invertebrates including beetles, scorpions, and centipedes. |
| 一腹卵数 | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Blyth's Frogmouth
Soft, repeated hooting whistle; 'wooo' calls from lowland Indochina forest; gentle pitch; calls at night from dense undergrowth; closely related to Horsfield's Frogmouth
Philippine Frogmouth
Repeated melodic 'kwee-kwee'; descending whistled phrase; calls from Philippine forest at night; medium-pitched; alarm a soft hiss; calls from low perch in dense undergrowth
Geographic Range & Migration
Blyth's Frogmouth
Found in the Thai-Malay Peninsula, Sumatra, and Borneo in lowland forest and peat swamp forest. Closely related to Horsfield's Frogmouth.
Philippine Frogmouth
Endemic to the Philippines, found on Luzon, Palawan, Mindanao, and adjacent islands. Resident in lowland and hill forest up to 1,500 m.
保全状況
Blyth's Frogmouth
Philippine Frogmouth
How to Tell Them Apart
Blyth's Frogmouth
Males brown-grey with dark vermiculations and white scapular spots; females rufous-buff with spotted coverts; Sundaland frogmouth recently split from Horsfield's; differs in marginally warmer brown tone and distribution.
Philippine Frogmouth
Males greyish-brown with fine black freckling and white-spotted scapulars; females rufous-chestnut with buff-white spotting; underparts barred buff and brown; Philippine endemic exhibiting typical Batrachostomus sexual dichromatism.
About These Birds
Blyth's Frogmouth
ミャンマーから東南アジア本土を経てボルネオにかけての低地林に生息する中型のガマグチヨタカ(23〜25cm)。淡い首輪を持つ褐色の羽毛。夜行性の昆虫食者。ホースフィールドガマグチヨタカと近縁。原生林と二次林の下生えに生息する。
Philippine Frogmouth
フィリピン全土の低地と山地林に生息する中型のガマグチヨタカ(24〜27cm)。細かい白い斑点を持つ赤褐色の羽毛。夜行性の昆虫食者。性的二型が見られ、赤褐色型と褐色型がある。海面から標高2,000mまで生息する。