I stumbled across a group of roosting Sulphur-crested Cockatoo's at night in the valley and they screamed gently.
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Royal National Park, NSW, Australia - I stumbled across a group of roosting Sulphur-crested Cockatoo's at night in the valley and they screamed gently. by Jeremy Hegge (12.09.2015 18:45) [/CC-BY-NC]