Song bird (6)
'song bird' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for thrush that I've seen before include "Song bird" , "sprue" , "Mouth fungus or songbird" , "Bird that sings" , "Small bird - fungal mouth infection" .)
'song bird' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for linnet that I've seen before include "Passerine bird" , "North London terminus" , "Type of finch" , "A little bird" , "Bird in the finch family" .)