| Trích dẫn | Gaydos, J.K. and S.F. Pearson, 2011 Birds and mammals that depend on the Salish Sea: a compilation. Northwestern Naturalist 92(2):79-94. |
| Tài liệu tham khảo | 93905 Gaydos, J.K. and S.F. Pearson, 2011 |
| Trang | 86 |
| Named Used as Valid | Phoebastria nigripes |
| Địa phương | |
| Distribution | Salish Sea. |