Assertion: swan's bill | /r/HasProperty | large
Facets:
Source sentences:
text: The bill is large, strong, and sharp-edged, with the upper mandible terminating in a large hook.
text: Swans attack by smashing at their enemy with bony spurs in the wings, accompanied by biting with their large bill, while smaller waterbirds such as ducks are normally grabbed with the swan's bill and dragged or thrown clear of the swan and its offspring.