A flare up of a disease that’s especially lethal to wolf pups took a toll on Wyoming and Yellowstone National Park wolf numbers in 2025, reducing biologists’ counts to a level last seen when wolves ...

Few animals symbolize wild interconnectedness quite like wolves, whose return helped reveal just how tightly ecosystems are ...

If gray wolf recovery in Colorado is to succeed this year, the wolves already in the state are on their own. Meaning that ...

Over the last three decades, Yellowstone National Park has undergone an ecological cascade. As elk numbers fell, aspen and willow trees thrived. This, in turn, allowed beaver numbers to increase, ...

We’re at an interesting and tenuous time for this population,” said Brenna Cassidy, Colorado Parks and Wildlife’s wolf monitoring data coordinator.

Learn more about the canine distemper outbreak that could have reduced Yellowstone wolf pup populations to a historic low.

In December 2023, Colorado reintroduced 10 gray wolves in Grand and Summit counties, kicking off the voter-mandated restoration of the apex predator. Now, nearly 2.5 years later — following births, ...

A wolf is released into Colorado. Photo: Colorado Parks and Wildlife. With the news last week Colorado Parks & Wildlife will not release any wolves this winter, it has become clear the state is at a ...

Colorado voters’ opinions on wolf reintroduction in the state haven’t changed much since the effort was narrowly approved in a 2020 ballot measure, according to the results of a 2025 voter opinion ...

Young people are “cautious” around the feasibility of reintroducing large carnivores, specifically lynx and wolves, to the UK and Ireland, research has found. The study, described as the first-ever ...