| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Stercorarius | parasiticus | 1158 |
| 2 | Stercorarius | longicaudus | 842 |
| 3 | Stercorarius | pomarinus | 798 |
| 4 | Stercorarius | maccormicki | 327 |
| 5 | Stercorarius | skua | 288 |
| 6 | Stercorarius | antarcticus | 199 |
| 7 | Stercorarius | chilensis | 67 |
| 8 | Stercorarius | (jaeger | 43 |