| Citation | Parsons, J., 1975 Seasonal variation in the breeding success of the Herring gull: an experimental approach to pre-fledging success. Journal of Animal Ecology 44:553-573. |
| Ref. | 92116 Parsons, J., 1975 |
| Page | |
| Named Used as Valid | Larus argentatus |
| Locality | |
| Distribution | Isle of May, UK. |