| Predator name | Larus argentatus | Main Ref. | Himmelman, J.H. and D.H. Steele, 1971 |
| Predator group | Laridae | Predator stage | juv./adults |
| Predator I | birds | Predator II | sea birds |
| Prey stage | juv./adults | ||
| % of stomach contents | - | ||
| Locality | Portugal Cove, Conception Bay. | ||
| Country | - | ||