The hunt is on and a predator finally zeroes in on its prey. The animal consumes the nutritious meal and moves on to forage for its next target. But how much prey does a predator need to consume?

A new study documents the complex interactions between cougars and gray wolves in Yellowstone National Park and finds their ...

Spiders that hunt in packs use web vibrations to coordinate their attacks, allowing them to kill prey hundreds of times larger than they could on their own. Of the 50,000 known spider species, just ...

As oceans warm, marine predators are increasingly forced to eat smaller prey, leaving them working harder for less energy.

At 100 feet long and weighing more than 100 tons, blue whales are the largest creatures to have evolved on the planet. Other whales, like killer whales, are larger than most terrestrial animals but ...