Ryukyu Woodpigeon vs African Collared-dove
Columba jouyi 比較対象 Streptopelia roseogrisea
Side-by-Side Comparison
| 属性 | Ryukyu Woodpigeon | African Collared-dove |
|---|---|---|
| 学名 | Columba jouyi | Streptopelia roseogrisea |
| 目 | Columbiformes | Columbiformes |
| 科 | Columbidae | Columbidae |
| 保全状況 | Extinct | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 31.8 cm (12.5 in) |
| 体重 | — | 152.33333333333334 g (5.37 oz) |
| 食性 | -- | -- |
| 一腹卵数 | -- | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Ryukyu Woodpigeon
Deep, resonant cooing; rich notes with carrying quality through dense forest in West Africa. Vocalization pattern typical of this species in its native habitat.
African Collared-dove
Soft, gentle cooing; pure warm notes through dense forest in Timor region. Vocalization pattern typical of this species in its native habitat.
保全状況
Ryukyu Woodpigeon
African Collared-dove
How to Tell Them Apart
Ryukyu Woodpigeon
Ryukyu Woodpigeon: extinct; dark glossy above; iridescent neck; pale below; Ryukyu island endemic; extinct through hunting
African Collared-dove
Ruddy Cuckoo-dove: rich rufous-brown above; plain buff below; long red-brown tail; red orbital ring; Southeast Asian species
About These Birds
Ryukyu Woodpigeon
リュウキュウカラスバト(Columba jouyi)は絶滅した大型のハトで、かつて南西諸島（琉球列島）の沖縄島と慶良間島に生息していました。体長約45cmで、虹色の光沢のある黒い体と白い後翼覆羽が特徴的でした。森林破壊と過剰な狩猟により20世紀初頭に絶滅しました。
African Collared-dove
Small dove, 26–29 cm, pale pinkish-grey with a black hindneck collar and white tail corners. Native to arid zones of sub-Saharan Africa from Senegal to Somalia and south to Tanzania. The ancestor of the domesticated Barbary Dove (ring-necked dove). Granivore of grass seeds and small grains in dry savanna, farmland, and desert edge. Least Concern.