Predators

In the Umm Jirsan lava tube, the longest such structure in Saudi Arabia, scientists discovered piles bones belonging to animals that hyenas devoured there for thousands of years.

A newly-identified eagle fossil is the oldest ever found in Australia.

Here are the largest predators ever to have lived in North America.

Humans are slow and weak compared with bears, pumas and other large predators, but these beasts usually avoid us. Why don't these animals try to eat us more often?

Millions of years before dinosaurs appeared, the hefty reptile Anteosaurus was a deadly predator. Scientists just learned that it was also unexpectedly speedy.

In two new studies, researchers identified more snakes that disembowel frogs to eat their organs, a gruesome habit that was only recently discovered.

Scientists recently captured video documenting the first reported instance of a fish preying on a newly-hatched baby bird, in a flooded nest in coastal Georgia.

Ingenious web construction allows tangle web spiders to lift animals too heavy for the spiders' tiny muscles to support.

It's a mystery why a swordfish stabbed a thresher shark to death, but it's possible they were competing for food.

The eel probably thought "not today" as it burrowed out of the heron's stomach.