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, twit, twitter, warble, watch, whistle