Literature
- Gill, F & D. Donsker (eds) 2017. IOC World Bird List v7.1. [link]
Stercorarius maccormicki
[species]
|
Stercorarius parasiticus
[species]
|
Stercorarius pomarinus
[species]
|
Stercorarius skua
[species]
|
Stercorarius maccormicki
[species]
|
Stercorarius parasiticus
[species]
|
Stercorarius pomarinus
[species]
|
Stercorarius skua
[species]
|