Predators

A newborn humpback whale learns early in life to use its "indoor voice" to avoid attracting the attention of nearby killer whales.

Researchers have identified the first arthropod with mandibles on record.

A 508-million-year-old critter — one that looks like a weird lobster with 50 legs, two claws and a tent-like shell — is the oldest known arthropod with mandibles on record, a new study finds.

Scientists have identified a new species of small, toothy mammal that once ruled the food chain in Africa almost 40 million years ago.

Severe mouth pain likely led the Tsavo lions to kill and eat people 119 years ago in Kenya.

India's big cats and wilds dogs get along surprisingly well.

A new study could help explain why so many snow leopards get killed in retaliation for eating domestic animals.

Scientists triggered mice's kill instinct.

The mantis shrimp, that tiny toughie of the sea, smashes and stabs in a new video showing off the special talents of this predatory crustacean.

The biggest saber-toothed cat skull ever found is helping scientists understand the range of killing techniques used by these extinct and fearsome predators.