1. a shoal of herrings

2. a school of whales/fish/dolphins

3. a run of whales

4. a troop of whales

1. a colony of ants

2. a cluster of bees/butterflies/

3. a nest of ants/swarms/bees/flies/locusts/

4. a flight of locusts

5. a cloud of locusts

6. a hive of bees

7. a swarm of bees/locusts/ants/flies/insects/

8. a colleague of bees