| نقل قول | Steadman, D.W., 1995 Prehistoric extinctions of Pacific Island birds: biodiversity meets zooarchaeology. Science 267(5201):1123-1131. |
| مرجع | 90840 Steadman, D.W., 1995 |
| Page | 1126 |
| Named Used as Valid | Pterodroma externa |
| Locality | |
| Distribution | Easter Island. |