17 Collective Nouns:
1. A band of musicians
2. A brood of chicks
A brood is a group of young born at the same time — like a brood of chicks.
3. A choir of singers
4. A class of pupils
5. A clump of trees
6. A crowd of people
7. A deck/pack of cards
8. A fleet of ships
9. A flight of steps
10. A gang of thieves
11. A herd of cattle
12. A library of books
13. A litter of puppies
14. A pack of wolves
15. A pride of lions
16. A regiment of soldiers
17. A set of tools