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On Prince of Wales Island, Alaska, gray wolves are doing something unexpected: hunting sea otters. This surprising dietary shift appears to have notable implications for both ecosystems and wolf ...

In Yellowstone National Park — where gray wolves were reintroduced starting in 1995 — researchers have gone back and forth on whether the restoration of wolves has impacted the ecosystem. The idea is ...

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, ...

Imagine a healthy forest, home to a variety of species: Birds are flitting between tree branches, salamanders are sliding through leaf litter, and wolves are tracking the scent of deer through the ...

Purpose: To introduce the idea of indirect effects of predator on prey by changing prey behavior, and of trophic cascades - effects of predators on primary producers; to construct a flow diagram of ...

The EU is trying to downgrade the protection status of wolves in Europe. Scientists say there are many ways to co-exist with these creatures that are vital for a healthy ecosystem. This next story ...

Across North America, mountain lions, bears, and gray wolves have made a remarkable comeback over the last 50 years. Once nearly exterminated, these animals have been recovering their populations and ...