There are flies in the buttermilk.

I saw a swarm of willow flies near the river.

I saw a swarm of eye flies buzzing around the garbage.

Tumbu flies are a type of parasitic insect found in Africa.

The bird flies out of its nest.

Hessian flies are a major pest of wheat crops.

I saw a swarm of turnip flies in the garden.

The bird flies low over the water.

When they started arguing, the fur flies.

I saw a swarm of cabbage flies in the garden.