Masked Booby vs Blue-footed Booby
Sula dactylatra 对比 Sula nebouxii
Side-by-Side Comparison
| 属性 | Masked Booby | Blue-footed Booby |
|---|---|---|
| 学名 | Sula dactylatra | Sula nebouxii |
| 目 | Suliformes | Suliformes |
| 科 | Sulidae | Sulidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 82.4 cm (32.4 in) | 82.1 cm (32.3 in) |
| 体重 | 1811.8 g (63.91 oz) | 1590.0 g (56.09 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-2 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Masked Booby
Least Concern
Blue-footed Booby
About These Birds
Masked Booby
74–92 cm. White with black wingtips and tail; yellow bill; white orbital skin. Breeds tropical Atlantic, Pacific, and Indian ocean islands; the largest booby. Feeds on fish and squid by high plunge-dives. Often displaces other boobies at nest sites; aggressive.
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.