He said his stomach hurts.

He is suffering from a stomach disease.

I saw a dog excrete feces in the park.

In this zoo, feces removal work is carried out every day.

Guano is very valuable as a fertilizer.

He always follows us around like a goldfish's poop.

There was a droppings hanging in the garden.

The Ministry of Agriculture announced new measures to prevent the outbreak of avian flu.

I saw a goose in the park.

The legend of the thunderbird is deeply rooted in ancient mythology.