Reported on Irish black bird (4)

I believe the answer is:

dove

I'm a little stuck... Click here to teach me more about this clue!

'bird' is the definition.
(I know that dove is a type of bird)

I don't understand how the remainder of the clue works.

(Other definitions for dove that I've seen before include "A peaceful bird?" , "Bird; advocate of peace" , "Cooing bird" , "Peacemaker" , "Bird in the pigeon family" .)

I've seen this clue in The Irish Times.

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