Crossword Genius

Kind of iron age bird (6)

Ross

I believe the answer is:

pigeon

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

'kind of iron age' is the wordplay.
'kind of iron' becomes 'pig'.
'age' becomes 'eon' (I've seen this before).
'pig'+'eon'='PIGEON'

(Other definitions for pigeon that I've seen before include "gull" , "Common dove" , "Common bird, wild and domesticated" , "Bird of the dove family" , "Trafalgar Square bird?" .)

I've seen this clue in The Independent.
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