Penguins aren't the only birds that don't fly. There are about a dozen kinds of winged creatures that never take to the air. Among them are some very big birds. These five may not soar, but their height keeps them heads and tail feathers above many earthbound animals!
1. Ostrich
9 ft.
2. Emu
6 ft. 2 in.
3. Cassowary
5 ft. 6 in.
4. Rhea
4 ft. 6 in.
5. Emperor Penguin
3 ft. 10 in.
Source: The Bronx Zoo