Assertion: black swan | /r/HasProperty | popular
Facets:
value: very
type: DEGREE
value: in zoological gardens
type: LOCATION
value: in bird collections
type: LOCATION
Source sentences:
text: The black swan is also very popular as an ornamental waterbird in western Europe, especially Britain, and escapees are commonly reported.
text: Black swans are popular birds in zoological gardens and bird collections, and escapees are sometimes seen outside their natural range.
text: The black swan is also very popular as an ornamental waterbird in western Europe, especially Britain, and escapees are commonly reported.