A new round of samples shows the Colorado River "positive" overall for zebra mussels, as state officials scramble to contain ...

Editor’s Note: A previous version of this story inaccurately reported that native trout species had returned to the channel. While Colorado Parks and Wildlife has reported recovery of brown trout and ...

Government officials cleared out a warmwater pool on the Colorado River that had become a breeding ground for pesky invasive ...

Of the 20,000 species of bees worldwide, at least 1,000 live in the state, according to the Colorado Native Pollinating Insect Health Study, which was authorized by the state and released last year.

A voracious feeder and a spirited fighting fish, the smallmouth bass is a vexing problem at Ridgway Reservoir: There are too ...

Aquatic biologists with Colorado Parks and Wildlife said they are continuing to observe a quicker-than-anticipated increase in native fish in the recently finished Colorado River Connectivity ...

Auctioning off piles of pelts from native animals is a relic of an era that drove iconic species, like beavers and bison, to the brink,” said Samantha Miller, senior carnivore campaigner at the Center ...

Colorado Parks and Wildlife confirms invasive rusty crayfish in West Fork Little Thompson River; species poses a threat to native crayfish and aquatic habitats.

A national conservation nonprofit petitioned the Colorado Parks and Wildlife Commission to ban the commercial sale of fur taken from the state's wildlife.

What animals can you legally own as pets in Colorado? Like the roaming peacock spotted near the Pueblo Zoo, domesticated peafowl — meaning male peacocks and female peahens — are legal to own ...