Birdbrain

13 clues
Dolt
Loon
Dodo
Dummy
Dumbo
Dimwit
Nitwit
Airhead
Ding-dong
Nincompoop
Noodlehead
Twittering twit?
Silly person (with sparrow's mind?)
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Aaronbirdie
Abird
Abirdinthehand
Abirdinthesand
Abirds
Abirdseyeview
Abraceofbirds
Abrain
Abrainandapenis
Abrainchallenge
Abrainof
Addledbrains
Africanbird
Ahandinthebird
Alertwaterbirds
Alittlebird
Alittlebirdie
Alittlebirdtold
Alongcameabird
Alowdownbirdieshame