A blackbird in Adelaide? (4)

I believe the answer is:

crow

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

'a blackbird' is the definition.
(crow blackbird is a kind of blackbird)

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

Can you help me to learn more?

(Other definitions for crow that I've seen before include "Boast gloatingly, American Indian" , "Boast, swagger, triumph" , "Blow one's own trumpet" , "Common bird" , "Bird in 1's poems" .)

I've seen this clue in the Sydney Morning Herald.

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