In the winter, Arctic hares mostly live in groups, and in the worst cold temperatures, living in groups allows Arctic hares to huddle for warmth. This union also allows them to see predators ...

This predator-prey relationship is referred to as the "lynx-hare cycle." Researchers like Stan Boutin, a professor at the University of Alberta in Canada, have followed this pattern for decades.

He and colleagues hypothesize that the record-breaking hare made the epic trip to spend the winter in a region where food was more abundant, but also where predators were plentiful.

An Arctic hare’s dash across northern Canada, the longest seen among hares and their relatives, is changing how scientists think about tundra ecology.

A gripping new set of photos from camera traps in the Alaskan Arctic catch animals in the carnivorous act of preying on the eggs and the young of nesting birds, showing how these predators may be ...