Australasian Gannet vs Brown Booby
Morus serrator compared with Sula leucogaster
Side-by-Side Comparison
| Attribute | Australasian Gannet | Brown Booby |
|---|---|---|
| Scientific Name | Morus serrator | Sula leucogaster |
| Order | Suliformes | Suliformes |
| Family | Sulidae | Sulidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 92.2 cm (36.3 in) | 77.7 cm (30.6 in) |
| Weight | 2512.5 g (88.63 oz) | 1378.6750000000002 g (48.63 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Australasian Gannet
Least Concern
Brown Booby
About These Birds
Australasian Gannet
84–91 cm, wingspan 165–185 cm. White with black wingtips; yellow wash on head; grey-blue bill. Breeds SE Australia and New Zealand coasts; ranges throughout Australasian seas. Feeds on fish by plunge-diving from height. Closely related to Northern Gannet; declining at some colonies.
Brown Booby
64–74 cm. Dark brown above; white belly and undertail; yellowish bill. The most widespread booby; breeds pantropically on islands worldwide. Feeds on fish and squid near land by plunge-diving; often follows ships. Ground or bush nester; aggressive and bold near colonies.