Assertion: emu's plumage | /r/HasProperty | loose
Facets:
value: because of the lack of barbules
type: CAUSE
Source sentences:
text: The plumage of casuariiforms is loose and hairlike because of the lack of barbules, the secondary branches that interlock to form the flat vane in the feathers of most birds.
text: The plumage on their rudimentary wings is loose and shaggy because, unlike most birds, their feathers lack the small barbules that hold them together.