They lived for 160 million years, so they were not stupid animals.

Even surrounded by plenty, a stupid animal has to work hard simply to meet his needs.

He can't be bothered talking to a lot of stupid animals.

All he had to do was float, and muck the stupid animals.

They were the only animals stupid enough to let him get near them, apparently.

Let them slaughter each other like stupid animals, if that was what they wanted to do.

If anything, they looked like birds of prey waiting for some slow and stupid animal to die.

The stupid animal apparently had not noticed part of its sign was obscured.

Where are all those stupid animals when we need them?

Carolyn cursed the stupid animals in her mind; she didn't have breath for more.