| Referencia número | Liddle, G.M., 1994 |
| Ecosistema | South Sandwich Islands |
| Estado | native |
| Abundancia | |
| Estadio de desarrollo | adults |
| Base de datos regional | |
| Observaciones | Known as a breeding area of about 22 million pairs in rat-free areas, in South Georgia and about 10,000 pairs in South Sandwich (Ref. 84934). C: Refs. 92214, 84934. |