| Predator name | Mergus merganser | Main Ref. | Patzner, R.A., J.L. Van Tassell, M. Kovačić and B.G. Kapoor, 2011 |
| Predator group | Merganser | Predator stage | juv./adults |
| Predator I | birds | Predator II | sea birds |
| Prey stage | juv./adults | ||
| % of stomach contents | - | ||
| Locality | Lake Grevelingen | ||
| Country | Netherlands | ||