Assertion: black swan's wing | /r/AtLocation | average 51.9 cm
Facets:
value: in males
type: OTHER
value: in 50.4 cm
type: OTHER
Source sentences:
text: They measure 115–140 cm (45–55 in) in overall length; each wing is 46.9–54.8 cm (18.5–21.6 in) long, on average 51.9 cm (20.4 in) in males and 50.4 cm (19.8 in) in females.