Answer:

bats

Answer	Crossword Clue
BATS	Loony
BATS	Belfry residents
BATS	Carlsbad Caverns sight

BATS	Flying mammals
BATS	Belfry inhabitants?
BATS	Winks and blinks
BATS	Bonkers
BATS	Cuckoo
BATS	Chiropterologist's study
BATS	Nutty as a fruitcake
BATS	Belfry dwellers?

BATS	Nutty
BATS	Dugout supply
BATS	Rather daffy
BATS	Dugout stack
BATS	Night fliers
BATS	What chiroptophobes fear
BATS	Belfry inhabitants
BATS	Clubs in a rack

BATS	Nocturnal fliers
BATS	Ball clubs?
BATS	Out of one's gourd
BATS	Loopy
BATS	Upside-down sleepers
BATS	Daffy
BATS	Dugout equipment
BATS	Home run hitters' hitters

BATS	Dugout rackmates
BATS	Spends time at home
BATS	Swings at home
BATS	Belfry fliers
BATS	Emulates Casey
BATS	Comes to the plate
BATS	Belfry critters
BATS	Cubs' clubs

BATS	Black Halloween critters
BATS	Off one's rocker
BATS	Migrating mammals
BATS	Baseball club's clubs
BATS	Sticks in the dugout

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.