Bird: brilliant duck (8)

I believe the answer is:

flamingo

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'bird' is the definition.
(flamingo is a kind of bird)

'brilliant duck' is the wordplay.
'brilliant' becomes 'flaming' (I can't explain this - if you can you should believe this answer much more).
'duck' becomes 'o'.
'flaming'+'o'='FLAMINGO'

Can you help me to learn more?

(Other definitions for flamingo that I've seen before include "Tall wading bird" , "Large pink bird" , "Exotic bird" , "Pink wader" , "Long-legged bird" .)

I've seen this clue in The Telegraph.

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