bevy
cackle
call
carol
caw
charm
chatter
cheep
chirk
chirp
chirr
chirrup
chitter
chuck
clack
cloud
cluck
cock-a-doodle-doo
coo
covey
croak
cronk
crow
cuckoo
drum
flight
flock
gabble
gobble
guggle
hive
honk
hoo
hoot
murmuration
peep
pip
pipe
plague
quack
roll
scold
sing
skein
spring
squawk
swarm
trill
tweet
gaggled
gaggles
gaggling
busload
houseful
passel
retinue
shipload
bedraggle
haggle
straggle