Assertion: black swan | /r/HasProperty | common
Facets:
value: for cygnus atratus
type: OTHER
value: quite
type: DEGREE
Source sentences:
text: Within many parts of its natural range, it is quite common.
text: Black swan is the common name for Cygnus atratus, an Australasian waterfowl.
text: Black swans are common, with a national population of about 50,000 (2011).
text: They are common on a variety of coastal and inland lakes.
text: They are common on a variety of coastal and inland lakes.