Assertion: bufflehead | /r/HasProperty | nest
Facets:
value: in holes
type: LOCATION
value: almost exclusively
type: DEGREE
Source sentences:
text: Fun Facts: Buffleheads are the smallest diving duck and nests in tree cavities and almost always use those made by Northern Flickers or sometimes Pileated Woodpeckers.
text: The Bufflehead is a cavity nesting duck and almost exclusively nests in holes excavated by Northern Flickers.