A 'ratite'is a large flightless bird, such as an emu Emu, Ostrich, Rhea, Cassowary, etc..
So an 'extinct ratite' is a similar bird which has died out....
The best known examples are probably the Moa, and the Madagascan Elephant Bird.
Ratite
no
emu
There is only one species of emu (that is not extinct) and it does not have a crest, or helmet. None of the other ratites has a helmet.
Emu
ratite pellets, or ostrich pellets
Ratite
an ostrich is a ratite, a bird that can´t fly..
The kiwi is a flightless ratite that is native to New Zealand.The kiwifruit originated in China.
race, read, ride, rode, rude, ratite
I believe we'll start with the Rhea, Ratite, Cassowary and Kiwi, but there may be more.
A large, flightless bird