Cocos Booby vs Peruvian Booby
Sula brewsteri 比較対象 Sula variegata
Side-by-Side Comparison
| 属性 | Cocos Booby | Peruvian Booby |
|---|---|---|
| 学名 | Sula brewsteri | Sula variegata |
| 目 | Suliformes | Suliformes |
| 科 | Sulidae | Sulidae |
| 保全状況 | Not Evaluated | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 74.1 cm (29.2 in) |
| 体重 | 1285.4250000000002 g (45.34 oz) | 1406.25 g (49.60 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1-2 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Not Evaluated
Cocos Booby
Least Concern
Peruvian 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.
Peruvian Booby
74 cm. Dark brown above; white below; blue-grey bill and feet. Breeds on Humboldt Current islands of Peru and Chile; highly abundant. Feeds on anchovy in the Benguela-like upwelling; one of the most productive seabird fisheries. Population crashes severely during El Niño.