Few animals symbolize wild interconnectedness quite like wolves, whose return helped reveal just how tightly ecosystems are woven together. Bring wolves back to a landscape, and eventually, the ...

Yellowstone National Park is often told as a story of recovery. Wolves returned and then elk changed their behavior. Willows and aspens then rebounded and rivers, it is said, changed course. The ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Gray wolves were once plentiful in Colorado. As settlers moved west and hunted the gray wolves’ natural prey, such as bison and elk, the wolves’ food sources dwindled. As a result, wolves began ...