Largest living bird, prominent eyes, can run at the speed of 80 kms per hour. Foot bearing two unequal toes provided with pads, with help the bird in fast running.
Kiwi ( Apteryx) :
It is the smallest flightless bird. It is a New Zealand emblem bird.
Gregarious flightless birds and live in cold sea waters of the south pole specially in Antarctica.
Cassowary (Casuarius) :
World’s largest flightless bird; lives in Austarilia, New Guinea and adjacent islands.
Rhea: Smaller than Ostrich but its habits are quite to ostrich.
Emu (Dromiceius): Next to ostrich, emu is the largest living bird. It is confined to Australia, invariably monogamous though seen in small parties after breeding.