Crossword Genius

Common —, silvery-grey and white bird nicknamed the sea-swallow (4)

Ross

I believe the answer is:

tern

(Other definitions for tern that I've seen before include "Rent out the bird" , "Long-winged aquatic bird" , "Rent out this gull" , "Gull-like seabird" , "Three-masted schooner" .)

I've seen this clue in The Mirror.
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