Assertion: cockatiel's head | /r/HasProperty | tucked under the wing
Facets:
Source sentences:
text: abnormal sleep pattern (continuous, both feet on the perch when normally one foot is tucked up, head tucked under the wing, head turned towards the wing with eyes only partly closed)
text: abnormal sleep pattern (continuous, both feet on the perch when normally one foot is tucked up, head tucked under the wing, head turned towards the wing with eyes only partly closed)