Biologists believe these trout were here before settlers stocked the state’s rivers with Rainbow, Brown and Brook trout in the late 1800’s.
A battle rages between those who want to see the American bison, the country's first "national mammal," thrive -- and those who want it culled.
Wild Earth Guardians alleges the the state's plan violates the Colorado constitution.
As part of his global wildlife conservation work, zookeeper Dave Johnson helps Nepalis use beehives to stop marauding elephants.
Fewer than 2,500 giant pandas exist today, yet they were recently taken off the endangered species list. Suzanne Braden calls that a "double-edged sword."
Some of Colorado Matters most impactful interviews about wildlife.
Tuesday was the first day of sales for late summer and fall tags for animals like elk and bear.
Scientists are using robots to study the Greater Sage-Grouse to better protect the bird, which is threatened in Colorado.