Cocos Booby vs Brown Booby
Sula brewsteri 比較対象 Sula leucogaster
Side-by-Side Comparison
| 属性 | Cocos Booby | Brown Booby |
|---|---|---|
| 学名 | Sula brewsteri | Sula leucogaster |
| 目 | Suliformes | Suliformes |
| 科 | Sulidae | Sulidae |
| 保全状況 | Not Evaluated | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 77.7 cm (30.6 in) |
| 体重 | 1285.4250000000002 g (45.34 oz) | 1378.6750000000002 g (48.63 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
Brown 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.
Brown Booby
64–74 cm. Dark brown above; white belly and undertail; yellowish bill. The most widespread booby; breeds pantropically on islands worldwide. Feeds on fish and squid near land by plunge-diving; often follows ships. Ground or bush nester; aggressive and bold near colonies.