Senate Bill 53 would classify bison as big-game wildlife, which would regulate the killing of the native species. Like it is ...

A bison stands it Rocky Mountain Arsenal, Feb. 12, 2017. A bill to reclassify wild bison in Colorado cleared its first hurdle ...

Jenn Logan wins the 2025 Upper Colorado River Endangered Fish Recovery Program’s Researcher of the Year Award.

Five sheep had been killed and investigators found evidence of wolf presence, including wolf tracks and bite marks on ...

The state has emerged as a leader in building wildlife crossings, which can save animals, money and human lives.