Furtive look (made by a small bird?) (4)
I believe the answer is:
peep
(Other definitions for peep that I've seen before include "Look furtively (in both directions)" , "Look furtively or voyeuristically" , "Look secretly" , "Peek" , "Spy" .)
I believe the answer is:
peep
(Other definitions for peep that I've seen before include "Look furtively (in both directions)" , "Look furtively or voyeuristically" , "Look secretly" , "Peek" , "Spy" .)