A tricephalous ostrich.
Kiwi, Ostrich, Cassowary.
Penguin kiwi ostrich
Emu
emu
The ostrich's foot is unusual because it has just 2 toes. This differs from many other flightless birds, which have three toes.
There are three ostrich feathers.
The Ostrich.
The ostrich is fastest, able to run 40 mph.
Emu, Ostrich, Penguin. There are others - but they're the first three I thought of.
A Chicken and an ostrich
The ostrich is native to Africa.