Crossword Genius

Oberon blackbird? (5)

Ross

I believe the answer is:

merle

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

This clue could be a double definition.

'oberon' is the first definition.
Both the definition and answer are singular nouns.
Maybe you can see an association between them that I don't see?

'blackbird?' is the second definition.
('merle' can be a synonym of 'blackbird')

Can you help me to learn more?

(Other definitions for merle that I've seen before include "Bird" , "Oberon perhaps" .)

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