"Nevermore” sayer (5)
I believe the answer is:
raven
'nevermore sayer' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for raven that I've seen before include "Jet-black" , "Tower of London bird" , "Crow-like bird" , "Type of crow" , "Large blue-black bird" .)