Blue-footed Booby vs Peruvian Booby
Sula nebouxii so với Sula variegata
Side-by-Side Comparison
| Thuộc Tính | Blue-footed Booby | Peruvian Booby |
|---|---|---|
| Tên Khoa Học | Sula nebouxii | Sula variegata |
| Bộ | Suliformes | Suliformes |
| Họ | Sulidae | Sulidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 82,1 cm (32.3 in) | 74,1 cm (29.2 in) |
| Khối Lượng | 1590,0 g (56.09 oz) | 1406,25 g (49.60 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Blue-footed Booby
Least Concern
Peruvian Booby
About These Birds
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.
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.