Assertion: chickadee's song | /r/HasProperty | typical black-capped
Facets:
value: at hawk mountain
type: LOCATION
value: as of 2007
type: TEMPORAL
Source sentences:
text: The first Carolina Chickadees pioneering north of their range are mostly females, so hybridization can be occurring even in areas where all songs are still typical Black-capped (e.g. at Hawk Mountain, PA as of 2007).