The ostrich is the tallest and heaviest species of all living birds. Although its bulky body means that flying is out of the question, the ostrich has adapted to life on the ground with impressive agility. Ostriches are superb runners that can sprint at speeds of up to 45 mph. The ostrich is also an endurance runner and can jog at a slick 30 mph for as long as a half an hour.
Images 1-12 of 12
 Ostrich Silhouettes |  Ostriches Running |  Wild Ostrich Running |  Ostrich Pair |
 Ostrich Close-Up |  Ostrich and Eggs |  Ostrich Yawning |  Four Ostriches |
 Ostrich Pair |  Ostrich Close-Up |  Ostrich Dusting |  Two Ostriches |
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