Collective Nouns

A collective noun refers to a group of people, animals or things.
Examples:
People
1. an army of soldiers
2. a band of musicians
3. a choir of singers
4. a crowd of people
5. a staff of teachers
Animals
an army of ants
a brood of chickens
a flock of birds
a gaggle of geese
a herd of buffaloes
a swarm of bees
a troop of lions

Things
a basket of fruits
a bouquet of flowers
a collection of stamps
a fleet of cars
a heap of rubbish
a comb of bananas
a bunch of grapes
a flight of steps
a group of island