| Trích dẫn | Prime, J.H. and P.S. Hammond, 1990 The diet of grey seals from the south-western North Sea assessed from analyses of hard parts found in faeces. The Journal of Applied Ecology 27(2):435-447. |
| Tài liệu tham khảo | 8744 Prime, J.H. and P.S. Hammond, 1990 |
| Trang | |
| Named Used as Valid | Halichoerus grypus |
| Địa phương | |
| Distribution | Donna Nook, UK. |