Assertion: cockatiel's behavior | /r/CapableOf | swish the tail
Facets:
value: quickly
type: MANNER
value: from side
type: MANNER
Source sentences:
text: One male behavior that often puzzles and disturbs new bird owners is the sight of their bird briskly rubbing the vent against a toy, perch or other object, while quickly swishing the tail from side to side.