Assertion: ostrich's family | /r/CapableOf | weigh up to about 40 kg
Facets:
Source sentences:
text: A prehistoric, flightless family, sometimes called (incorrectly) "giant megapodes" (Sylviornis) of New Caledonia were the most massive galliformes ever, up to 1.7 m (5.6 ft) long and weighing up to about 40 kg (88 lb).