The ostriches do not thread the head in the land
If they made this, would die suffocated. Its legs are enough great for these birds to be defended of attack who them - or to run away running. They, in the truth, lean the ear in the soil to perceive the vibration of the ground and the approach of eventual predators. In this position, the animal also obtains to join the vegetation and to move away any danger from attack.

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