Assertion: woodpecker's cavity | /r/HasProperty | excavated by bluebird
Facets:
Source sentences:
text: A number of other birds and small mammals use the cavities excavated by red-cockaded woodpeckers, such as chickadees, bluebirds, titmice, and several other woodpecker species, including the downy, Hairy, and red-bellied woodpeckers.