Bird hiding among spectacular kingfishers (4)
I believe the answer is:
lark
'bird' is the definition.
(lark is a kind of bird)
'hiding among spectacular kingfishers' is the wordplay.
'hiding' indicates a hidden word.
'LARK' can be found hidden inside 'among spectacular kingfishers'.
(Other definitions for lark that I've seen before include "Singing bird and piece of harmless mischief" , "Bird; prank" , "flier" , "carefree adventure" , "Songbird - 3" .)