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 ...

As Colorado lawmakers prepare to return for the 2026 legislative session, wolves — what they’re costing the state, how they’re faring in the wild and whether Colorado’s reintroduction can overcome ...

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

Following a canine distemper outbreak that dropped numbers to levels last seen in the reintroduction era, wildlife managers ...

Eric Odell, Colorado Parks and Wildlife’s wolf conservation program manager, announces his retirement as program hits ...

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, ...

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 ...

In December 2023, Colorado reintroduced 10 gray wolves in Grand and Summit counties, kicking off the voter-mandated ...

The U.S. Fish and Wildlife Service is threatening to take over Colorado’s wolf restoration program from Colorado Parks and Wildlife. Brian Nesvik, the federal agency’s director, sent a letter on Dec.

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 ...