congregation, dissimulation, flight, flock or volery of birds
sedge or siege of bitterns
chain of bobolinks
wake of buzzards
brood, flock or peep of chickens
brood, chattering or clutch of chicks
chattering of choughs
bury of conies
cover of coots
flight of cormorants
sedge or siege of cranes
murder of crows
storytelling of crows
herd of curlews
bevy, cote, dole, dule, flight piteousness of doves
brace, flock, flush, paddling, raft or team of ducks
aerie or convocation of eagles
mob of emus
charm of finches
flock or gaggle of geese
wedge of geese (flying in a 'V')
skein of geese (in flight)
charm of goldfinches
skein of goslings
covey or pack of grouse
colony of gulls
aerie, cast or kettle of hawks
brood of hens
hedge, sedge or siege of herons
charm of hummingbirds
band, party or scold of jays
deceit of lapwings
ascension or exaltation of larks
tidings of magpies
sord of mallards
watch of nightingales
parliament or wisdom of owls
company of parrots
covey of partridges
muster or ostentation of peacocks
colony, crèche, huddle, parcel or rookery of penguins
nest of pheasants
covey, nide or nye of pheasants (on the ground)
bouquet of pheasants (when flushed)
flight or flock of pigeons
congregation or wing of plovers
covey of ptarmigans
bevy or covey of quail
conspirancy, storytelling or unkindness of ravens
building, clamor, parliament or storytelling of rooks
walk or wisp of snipes
host of sparrows
murmuration of starlings
muster or mustering of storks
flight of swallows
bevy, herd or lamentation of swans
wedge of swans (flying in a 'V')
flock of swifts
spring of teals
flock or rafter of turkeys
brood of turkeys (immature)
dule or pitying of turtledoves
colony of vultures
plump of waterfowl
raft of wigeons
plump of wildfowl
fall of woodcocks
descent of woodpeckers