The cluster looked like a huge swarm of bees.

When food and climatic conditions are favourable huge swarms of locusts may develop.

They then fail to escape the building because the fairies cause a huge swarm of rats to attack them.

Like a huge, angry swarm of bees, the entire Iranian air force was up, fully alerted, and looking for revenge.

It only takes a second before you become part of a huge, multinational swarm.

It was like a great humming, as though a huge swarm of insects were descending on the city.

They are usually found in huge swarms, with more than 10,000 krill per cubic meter.

Eventually they will grow up and form huge swarms.

They also find the creatures gathered in a huge swarm in the corner.

All of them heard a humming like a distant, huge swarm of hornets.