Assertion: barnacle's predator | /r/HasProperty | glaucous-winged gull
Facets:
Source sentences:
text: Predators on gooseneck barnacles include the glaucous-winged gull (Larus glaucescens), the black oystercatcher (Haematopus bachmani), the ochre sea star (Pisaster ochraceus) and the six-rayed star (Leptasterias hexactis).