Predators

The fear of predators may have a surprisingly strong impact on the behavior of their prey, creating cascade effects throughout the food chain.

Sharks are typically thought to lead mostly solitary lives, but new research finds that sand tiger sharks may be a lot more social than once suspected.

By sticking close to a crow that was killed, other crows improve their chances of learning about predator species they need to avoid.

Color-changing cuttlefish have figured out how to turn down their emanating electric fields to hide from sharks and rays. They freeze in place and hold their breath, researchers have found.

How far could T. rex's jaws stretch? A new study has answers about the breaking point for this dinosaur’s bite.

Hummingbirds have a clever strategy to keep their nests safe: They recruit unknowing hawks for home security. Check out these spectacular photos of hummingbirds, hawks and jays.

Fossils of 460-million-year-old eurypterids (sea scorpions) were uncovered underneath the flowing waters of the Upper Iowa River.

Higher chances of predation are putting native fauna at risk.

During the early Permian, carnivores greatly outnumbered herbivores on land, so top predator Dimetrodon supplemented its diet by hunting sharks.

U.S. Predators are operating from the border, though ground intelligence may hold the key.

Predator control from the U.S. Wildlife Services itself must be controlled.

Megalodon, the biggest shark that ever lived, seemed to get bigger over its evolutionary history. Its massive size may have made it more susceptible to extinction.

Dolphin-shaped carnivore holds clues to how Earth recovered from the great die-off.

The dolphin-shaped beast ruled the oceans some 244 million years ago.

The lizard opens its mouth wide and flares out its frills when it is frightened.

What killed saber-tooths remains a mystery.