Which is the fastest running bird?
Ostrich is the fastest running bird. An ostrich can run upto 70 kilometres per hour. The stride of an ostrich can cover as much as 3–5 metres in a single leap.
Bird
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The bird with the wingspan of 3 metres
The albatross is a seabird with a mean wingspan of 3 metres. It glides over the waves for hours. It basically rides on the air currents, rarely flapping its long narrow wings.
The earliest known bird
The archaeopteryx is considered to be the earliest bird and it is the link between birds and reptiles. The archaeopteryx had a set of teeth, which are not found in birds. However it had wings, feathers and reduced fingers, all found in modern birds.