A tall, upright beast with slicing teeth was North America's top predator before the reign of dinosaurs.
The video may be the first of a golden cat hunting in the daylight.
A Jurassic Era beast that looked like a sinister dolphin might have munched on sharks and dinosaurs in what is now Scotland.
The newest dinosaur movie has lots of sounds coming out of its creatures, but how could its makers know what they sounded like?
Electric eels deploy a double-pulse of power to first detect and then immobilize prey.
Disruption in pack social cohesion can free more wolves to mate, creating more mouths to feed in a tighter range,
Acoustic tags used to study animals can function like a dinner bell, drawing hungry predators.
An imagined race between a carnivorous tyrannosaur like T. rex and a big plant-eating dino found that the veggie-lover often won by outrunning and outwitting its predator.
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