Assertion: beak | /r/HasProperty | flat
Facets:
Source sentences:
text: Aerial insectivores : birds that feed while in flight, catching and eating airborne insects have beaks that are very short and flat; their mouths open very wide and act like nets to trap flying bugs – Tree and Barn Swallow, Common Nighthawk, Purple Martin, and Chimney Swift,
text: : birds that feed while in flight, catching and eating airborne insects have beaks that are very short and flat; their mouths open very wide and act like nets to trap flying bugs – Tree and Barn Swallow, Common Nighthawk, Purple Martin, and Chimney Swift, Flamingos and some ducks (only certain ducks are filter feeders.)