| Citation | Hammond, P.S., A.S. Hall and P. Rothery, 1994 Consumption of fish prey by grey seals. In Grey seals in the North Sea and their interactions with fisheries, pp. 35-69. Final Report to the Ministry of Agriculture, Fisheries and Food, Contract no. MF0503. St Andrews, UK: Sea Mammal Research Unit. |
| Ref. | 8809 Hammond, P.S., A.S. Hall and P. Rothery, 1994 |
| Page | |
| Named Used as Valid | Halichoerus grypus |
| Locality | |
| Distribution | Orkney, Scotland. |