Masked Booby vs Cocos Booby
Sula dactylatra versus Sula brewsteri
Play a quiz with Masked Booby and Cocos Booby
Masked Booby
Cocos Booby
In short
The Masked Booby and Cocos Booby are similar seabirds, but the Masked Booby is generally larger and has a more prominent mask-like facial pattern. Both species share a similar structure, but subtle differences in plumage and behavior can aid identification.
Identification tips
Look for the larger size and more distinct facial mask of the Masked Booby. Observe feeding behavior; Cocos Booby often feeds in mixed flocks at ocean upwellings.
Size
The Masked Booby is generally larger than the Cocos Booby.
Plumage
The Masked Booby typically features a more pronounced mask-like facial pattern, while the Cocos Booby's facial markings are less distinct.
Behaviour
Both species are pelagic and piscivorous, but the Cocos Booby is noted for feeding in mixed species flocks at ocean upwellings.