Cocos Booby vs Blue-footed Booby
Sula brewsteri 比較対象 Sula nebouxii
Side-by-Side Comparison
| 属性 | Cocos Booby | Blue-footed Booby |
|---|---|---|
| 学名 | Sula brewsteri | Sula nebouxii |
| 目 | Suliformes | Suliformes |
| 科 | Sulidae | Sulidae |
| 保全状況 | Not Evaluated | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 82.1 cm (32.3 in) |
| 体重 | 1285.4250000000002 g (45.34 oz) | 1590.0 g (56.09 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1-2 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Not Evaluated
Cocos Booby
Least Concern
Blue-footed Booby
About These Birds
Cocos Booby
76–84 cm. Brown and white booby restricted to Cocos Island and nearby east Pacific islands; sometimes treated as subspecies of Brown Booby. Plunge-dives for fish in productive eastern Pacific waters. Near Threatened; small breeding range; feeds on flying fish and anchovy.
Blue-footed Booby
76–84 cm. Brown-and-white; vivid turquoise-blue feet diagnostic. Breeds Galapagos, Pacific coast of South and Central America. Uses elaborate sky-pointing displays with blue feet. Feeds on anchovies by plunge-diving; highly susceptible to El Niño food shortages.