| Referens | Temte, J.L., 1985 Photoperiod and delayed implantation in the northern fur seal (Callorhinus ursinus). Journal of Reproduction and Fertility 73:127-131. |
| Ref. | 81300 Temte, J.L., 1985 |
| Sida | |
| Named Used as Valid | Callorhinus ursinus |
| Observationsplats | |
| Distribution | San Miguel Island, California. |