That's why these animals can run so fast in the first place.
The smaller animals did not run, and made no move to fight.
There were dozens of animals running free in the lot.
Some animals, for example, always run away from light and hide themselves in dark places.
Then, to their surprise, the animal suddenly ran out of the room.
Such animals ran randomly at any time of the day or night.
There were animals running through my hollow arms and legs.
The mountains burn, and the animals run to the south.
Kill off Earth's plant life, and animals here would run out of stuff to breathe, too.
Some animals can run only on a small range of selected fuels.