- a shaft of
- hordes / droves of
- a heap of
- a speck of
- a clump of
- a herd of
a swarm of
- a string of
a duster of
- a stroke of
- a sheaf of
- a flock of
- a tuft of
dust
wheat
houses / grapes (which are still growing)
Birds /sheep
hair / grass
books / magazines / newspapers (lying about)
work (neg. sentences)
bushes / flowers (when still growing in a garden)
invective/s (insulting language)
bees and all other insects
tourists / sightseers
cows / buffalo / deer / moose / giraffe / elephant
sunlight (figurative)