From Wikipedia… Collective term Collective phrase army An army of frogs[1] bale A bale of turtles[1] band A band of gorillas[1] bank A bank of swans[1] banner A banner of knights[2] barren A barren of mules[1][2] bask A bask of crocodiles[1] bed A bed of snakes[1] bench A bench of Bishops[3] bevy A bevy of quail[1] A bevy of swans[1] bind A bind of salmon[2] bloat A bloat of hippopotamuses[1] bouquet A bouquet of pheasants[1][2] building A building of rooks[2] business A business of flies[1][2] A business of ferrets[1][2] cast A cast of eagles[2] A cast of falcons[2] A cast of hawks[1][2] A cast of merlins[2] A cast of vultures[2]…