Assertion: black swan's neck | /r/CapableOf | carry their feathers
Facets:
value: often
type: TEMPORAL
Source sentences:
text: When swimming, black swans hold their necks arched or erect and often carry their feathers or wings raised in an aggressive display.
text: When swimming, black swans hold their necks arched or erect and often carry their feathers or wings raised in an aggressive display.