CCCWC April competition voters’ comments on Clue no. 15

A clue to CORVUS.
4 comments refer to this clue (from 4 competitors, 0 others)

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Comments on the clue

1.	"Initially" seems to jar the surface – "Basically" would have made it smoother, perhaps ? Are crows and ravens very unusual ?
2.	The whole is not really a definition so not an &lit and using "crows or rooks" twice.
3.	I wouldn't describe crows and rooks as very unusual.
4.	'Initially' doesn't work for me in the surface reading