| Predator name | Ptychoramphus aleuticus | Main Ref. | Abraham, C.L. and W.J. Sydeman, 2006 |
| Predator group | Alcidae | Predator stage | juv./adults |
| Predator I | birds | Predator II | sea birds |
| Prey stage | juv./adults | ||
| % of stomach contents | - | ||
| Locality | Gulf of Farallones, California | ||
| Country | USA | ||