Comparative Biochemistry and Physiology A.
The practice is becoming less common due to ethical concerns, and nowadays ostrich farms set a limit weight for people to ride ostriches, making the activity mostly suited for children and smaller adults.
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The low of air allows less heat to be lost to the environment.
When the common ostrich is breathing normally, under no heat stress, air flow is laminar.
Neck surfaces are around 6—7 °C 11—13 °F difference at most ambient temperatures, except when temperatures are around 25 °C 77 °F it was only 4 °C 7 °F above ambient.