| Predator name | Cerorhinca monocerata | Main Ref. | Bertram, D.F. and G.W. Kaiser, 1993 |
| Predator group | Laridae | Predator stage | recruits/juv. |
| Predator I | birds | Predator II | sea birds |
| Prey stage | recruits/juv. | ||
| % of stomach contents | - dominant ( > 50%) | ||
| Locality | Lucy Is., Pine and Triangle Is., British Columbia | ||
| Country | Canada | ||