'Do ostriches really bury their heads in sand when danger threatens? If they do, why haven't they become extinct?'
The naturalists answer your questions.
Presented by Derek Jones Producer JOHN HARRISON BBC Bristol
(Re-broadcast next Saturday)
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'Do ostriches really bury their heads in sand when danger threatens? If they do, why haven't they become extinct?'
The naturalists answer your questions.
Presented by Derek Jones Producer JOHN HARRISON BBC Bristol
(Re-broadcast next Saturday)