When it comes to competing for clients, they are actually some of the most ruthless predators known to humankind.

A British angler has told how he snared a predator known to feast on the testicles of men.

"There's no defense against that predator known as the automobile," Dr. Gibbons said.

One of the largest predators known, Mapusaurus, has also been recovered from a bonebed in this formation.

Captive imaginations do breed quite effectively, because they are protected from the terrible predator known as Thought.

The dinosaurs belonged to a group of two-legged predators known as advanced theropods.

L. melvillei is one of the largest raptorial predators yet known, with whale experts using the phrase "the biggest tetrapod bite ever found" to explain their find.

January 11 - Norwegian police announce that they have arrested a 55-year old man suspected of being the sexual predator known as The Pocket Man.

The only predator known to target this species is the fossa, although the golden-crowned sifaka reacts to the presence of birds of prey with alarm calls.

Second, there is the risk that the chance to get the reward will be cut short, perhaps by a predator, also known as a termination risk.