Flying creatures (5)
I believe the answer is:
birds
(Other definitions for birds that I've seen before include "Gulls" , "Egg-laying vertebrates" , "4th" , "Terns and tits, say" , "... strictly receivers of rubbish" .)
I believe the answer is:
birds
(Other definitions for birds that I've seen before include "Gulls" , "Egg-laying vertebrates" , "4th" , "Terns and tits, say" , "... strictly receivers of rubbish" .)