i spotted this on themorningnews.org. it's a list group names used for birds. i can't describe how much i love love love the phrase "an unkindness of ravens". "a muster of storks" and "a peep of chickens" aren't bad either.
A bevy of quail A bouquet of pheasants [when flushed] A brood of hens A building of rooks A cast of hawks [or falcons] A charm of finches A colony of penguins A company of parrots A congregation of plovers A cover of coots A covey of partridges [or grouse or ptarmigans] A deceit of lapwings A descent of woodpeckers A dissimulation of birds A dole of doves An exaltation of larks A fall of woodcocks A flight of swallows [or doves, goshawks, or cormorants] A gaggle of geese [wild or domesticated] A host of sparrows A kettle of hawks [riding a thermal] A murmuration of starlings A murder of crows A muster of storks A nye of pheasants [on the ground] An ostentation of peacocks A paddling of ducks [on the water] A parliament of owls A party of jays A peep of chickens A pitying of turtledoves A raft of ducks A rafter of turkeys A siege of herons A skein of geese [in flight] A sord of mallards A spring of teal A tidings of magpies A trip of dotterel An unkindness of ravens A watch of nightingales A wedge of swans [or geese, flying in a "V"] A wisp of snipe