Out of nowhere I remembered a certain thing someone once said to me:
The ostrich-approach can't be all that ridiculous. They survived this far, didn't they? There must be something going in its favour.
Okay, now for some fact-
"Contrary to popular belief, ostriches do not bury their heads in the sand. The old saw probably originates with one of the bird's defensive behaviors. At the approach of trouble, ostriches will lie low and press their long necks to the ground in an attempt to become less visible. Their plumage blends well with sandy soil and, from a distance, gives the appearance that they have buried their heads in the sand."