| Citation | Spaans, A.L., 1971 On the feeding ecology of the Herring Gull Larus argentatus Pont, in the Northern part of the Netherlands. Ardea 59(3-4):98-188. |
| ссылка | 6570 Spaans, A.L., 1971 |
| Page | |
| Named Used as Valid | Larus argentatus |
| Местонахождение | |
| Distribution | Holland. |