Assertion: petrel | /r/CapableOf | display their dominance
Facets:
value: with a "sealmaster posture"
type: OTHER
value: over carcasses
type: LOCATION
Source sentences:
text: They will display their dominance over carcasses with a "sealmaster posture": the head and the wings are held outstretched, the head pointing at the opponent and the wingtips pointing slightly back; the tail is raised to a vertical position.