Assertion: killer whale | /r/CapableOf | establish dominance
Facets:
value: by slapping their tails
type: MANNER
Source sentences:
text: Killer whales within a pod may rank themselves and establish dominance by slapping their tails against the water, head-butting, jaw-snapping, biting, raking (tooth-scratching), and various other vigorous postures and gestures.