Cocos Booby vs Masked Booby
Sula brewsteri compared with Sula dactylatra
Side-by-Side Comparison
| Attribute | Cocos Booby | Masked Booby |
|---|---|---|
| Scientific Name | Sula brewsteri | Sula dactylatra |
| Order | Suliformes | Suliformes |
| Family | Sulidae | Sulidae |
| Conservation Status | Not Evaluated | Least Concern |
| Length | — | — |
| Wingspan | — | 82.4 cm (32.4 in) |
| Weight | 1285.4250000000002 g (45.34 oz) | 1811.8 g (63.91 oz) |
| Diet | -- | -- |
| Clutch Size | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Not Evaluated
Cocos Booby
Least Concern
Masked 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.
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.