Assertion: whooper swan | /r/HasAspect | maximum weight of c. 12–13 kg
Facets:
Source sentences:
text: Accurate measurements have proven to be surprisingly difficult to find on the web, but the Whooper Swan, sometimes considered conspecific with Trumpeter, is 145–160 cm (57–63 in) long with a wingspan of 205–235 cm (81–93 in) and has a maximum weight of c. 12–13 kg (27–28 lb)