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Cassowary
Cassowary is one of the largest living birds. Not only that, it even holds the Guinness World Record for the most dangerous bird in the world. There are three surviving types of this bird. These humble birds run at an acceleration speed of up to 50 km/h. They can bounce up to a height of 1 meter, and their deadly 12 cm long legs can tear their prey into two pieces. The scariest thing about this flightless bird is its kick. The southern ice bird is the third largest living bird and the second heaviest.
