A Collection of Slightly Unusual Collective Nouns (Part 2)

16. An improbability of puffins

17. A smack of jellyfish 

18. A dash of cassowaries

19. A family of sardines

20. A glaring of cats

21. A rhumba of rattlesnakes

22. An army of caterpillars

23. A nest of rumors

24. A gang of elks

25. A huddle of walruses

26. A shiver of sharks

27. A horde of hamsters

28. A kindle of kittens

29. A bed of clams

30. A congregation of alligators