The fastest bird on land and the fastest 2 legged creature are one in the same; the Ostrich.  The Ostrich can burst up to 43 mph while sustaining speeds of 31 mph.
Animal Facts

The fastest bird on land and the fastest 2 legged creature are one in the same; the Ostrich. The Ostrich can burst up to 43 mph while sustaining speeds of 31 mph.

The Ostrich stands between 7 and 9 feet tall and can weight up to 300 pounds. While the ostrich cannot speak, nor is it yellow, I think we can all agree, the ostrich is still one "Big Bird"

The fastest bird on land and the fastest 2 legged creature are one in the same; the Ostrich. The Ostrich can burst up to 43 mph while sustaining speeds of 31 mph.

The Ostrich stands between 7 and 9 feet tall and can weight up to 300 pounds.

While the ostrich cannot speak, nor is it yellow, I think we can all agree, the ostrich is still one "Big Bird"!