Robuta

https://creagrus.com/CAjaegers.html CA jaegers and skuas jaegers skuas https://www.birdfact.com/birds-in/micronesia/stercorariidae Skuas & Jaegers in Micronesia | Birdfact skuas jaegers micronesia https://naturalis.fcnym.unlp.edu.ar/entities/publication/de55bbab-1941-44c9-948f-8a471db54052 Unusual deaths of Subantarctic Skuas Catharacta antarctica at Hope Bay, Antarctica unusual deaths catharacta antarctica hope bay subantarctic skuas