| Referens | 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. |
| Ref. | 93905 Gaydos, J.K. and S.F. Pearson, 2011 |
| Sida | 83 |
| Named Used as Valid | Larus heermanni |
| Observationsplats | |
| Distribution | Salish Sea. |