Answer:

cuckoo

Answer	Crossword Clue
CUCKOO	Bananas
CUCKOO	Bird with an onomatopoeic name
CUCKOO	Bird in a clock

CUCKOO	Long-tailed bird
CUCKOO	Foolish
CUCKOO	Feature of some clocks
CUCKOO	Buggy
CUCKOO	Bird.
CUCKOO	Clock feature.
CUCKOO	Kind of clock.
CUCKOO	Chowchow

CUCKOO	Crackbrained
CUCKOO	Bird in a Kesey title
CUCKOO	Title bird for Ken Kesey
CUCKOO	Beaked timekeeper
CUCKOO	Bird that pops out of a clock
CUCKOO	Ani