Assertion: cockatiel | /r/CapableOf | turn his head
Facets:
value: backward
type: MANNER
value: sideways
type: MANNER
Source sentences:
text: If your cockatiel turns his head sideways and then tilts it up or down, he may be looking at something either above or below him.
text: If your cockatiel turns his head backward, closes his eyes, and buries his beak in between his feathers, he is all ready to go to sleep.