Assertion: common ostrich | /r/HasProperty | cassowary
Facets:
Source sentences:
text: While the common ostrich, the cassowaries, kiwis, rheas, and the emus are all members of the same ratite family, evolutionary studies into the group has shown that the ostrich is the earliest extant member of the Palaeognathae group containing the five extant branches of flightless lineages and as such is seen sharing a close relation to the Tinamou order of flighted birds.