It is a four-legged animal, with one leg longer than the others.

At this point in the earth's history, the earliest four-legged animals were coming out of the water onto land.

Some of them seemed to be weird four-legged animals, with long thin bodies and no heads.

Horses and other four-legged animals, in contrast, use roughly the same amount of energy to run a mile as to walk it.

Many four-legged animals have an intensely strong sense of smell.

It turns out that in this part of the world even the four-legged animals are blond.

I never knew there were so many four-legged animals in my neighborhood.

The bracteate depicts a man's head over a four-legged animal.

The principle was akin to the way in which four-legged animals ran.

The skeletal system of amphibians are similar to other four-legged animals.