Cocos Booby vs Blue-footed Booby
Sula brewsteri so với Sula nebouxii
Side-by-Side Comparison
| Thuộc Tính | Cocos Booby | Blue-footed Booby |
|---|---|---|
| Tên Khoa Học | Sula brewsteri | Sula nebouxii |
| Bộ | Suliformes | Suliformes |
| Họ | Sulidae | Sulidae |
| Tình Trạng Bảo Tồn | Not Evaluated | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | 82,1 cm (32.3 in) |
| Khối Lượng | 1285,4250000000002 g (45.34 oz) | 1590,0 g (56.09 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-2 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
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.