These large nautiloids must have been formidable predators of other marine animals at the time they lived.

Or perhaps, once, the ancestors of lions and gorillas feared still more formidable predators.

She hoped there wasn't some truly formidable predator who used this region as its hunting ground, eliminating most of the other dangers.

Living on the African continent, hippopotamus co-exist with a variety of formidable predators.

The dragon was a formidable predator, but it would be overwhelmed by their numbers and weapons.

It would have been a formidable predator of North Africa's giant fish 100 million years ago.

With the ability to summon brief bursts of speed, the Kh@fflict would have been formidable predators.

She remained a formidable predator, probably equivalent to a dragon, only without fire, smoke, or steam.

This group became known as the "terror birds," and were formidable predators.

I'd say the one I saw was about the size of a horse, which would make it a formidable predator in a fight.