Assertion: owl's disc | /r/HasProperty | round facial
Facets:
Source sentences:
text: True owls have a round facial disc, a short tail and a large head.
text: These differences include a white, heart-shaped facial disc, as “true owls” have round facial discs; a peculiar serration along the inner edge of the central talon of each foot; and the long, slender legs which allow them to pluck rodents out of tall grass.