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In zoos and wildlife parks up and down the country, thousands of birds stand in large open enclosures, serenely surveying their surroundings. Flamingos pick their way delicately through shallow water and cranes stand on slender legs watching the world go by. The occasional flurry of wings flapping is seen but, strangely, none of the birds take flight. Are these birds simply content with their surroundings, choosing to stay conveniently within the boundaries of the zoo? Do they fly away at times and simply choose to return, safe in the knowledge they will find food in abundance and familiar flock mates?
Is it a deep connection to their keepers that stops them from taking to the air? Or is it something else that holds these birds in the unnatural environment of a UK zoo? Look closely as wings are spread and you will find the answer...
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