| Predator name | Mergus merganser | Main Ref. | Svenning, M.-A., S.E. Fagermo, R.T. Barrettş, R. Borgstrøm, W. Vaderş, T. Pedersen and S. Sandring, 2005 |
| Predator group | Anatidae | Predator stage | juv./adults |
| Predator I | birds | Predator II | sea birds |
| Prey stage | juv./adults | ||
| % of stomach contents | - | ||
| Locality | River Tana estuary and fjord, northern Norway, 1981 and 2000 | ||
| Country | Norway | ||