Assertion: emu | /r/HasProperty | unique
Facets:
value: among birds
type: OTHER
Source sentences:
text: Their feet have only three toes and a similarly reduced number of bones and associated foot muscles; emus are unique among birds in that their gastrocnemius muscles in the back of the lower legs have four bellies instead of the usual three.
text: Emus are unique in that they provide red meat when traditional farmyard birds, such as chickens and turkeys, provide white and dark meat choices, but definitely not red.