Calayan Rail vs Bare-eyed Rail
Aptenorallus calayanensis 比較対象 Gymnocrex plumbeiventris
Side-by-Side Comparison
| 属性 | Calayan Rail | Bare-eyed Rail |
|---|---|---|
| 学名 | Aptenorallus calayanensis | Gymnocrex plumbeiventris |
| 目 | Gruiformes | Gruiformes |
| 科 | Rallidae | Rallidae |
| 保全状況 | Vulnerable | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 38.4 cm (15.1 in) |
| 体重 | 244.5 g (8.62 oz) | 287.5 g (10.14 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 3 | 1 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Vulnerable
Calayan Rail
Least Concern
Bare-eyed Rail
About These Birds
Calayan Rail
Calayan Rail (Aptenorallus calayanensis), 20 cm. Brown above; grey underparts; yellow-green bill; short wings suggesting flightlessness. Discovered in 2004; endemic to Calayan Island, Philippines. Inhabits forest undergrowth. Omnivore. Endangered; tiny single-island range with minimal forest remaining.
Bare-eyed Rail
ハダカメクラクイナ（Gymnocrex plumbeiventris）はモルッカ諸島・ニューギニア地域に生息するクイナ（体長27〜31 cm）。腹面は灰色、背面は褐色、目の周囲に特徴的な裸出した赤橙色の顔面皮膚。低地雨林・二次林・水辺の林縁に生息。隠遁性が強く、落葉を歩いて無脊椎動物・小型脊椎動物を採食。