The U.S. Fish and Wildlife Service listed the Mount Rainier white-tailed ptarmigan as threatened under the Endangered Species ...

of 1.8 million egg-laying chickens on the Colorado farm, which is a “significant” egg-producing operation that officials didn ...

Generation Wild, a Great Outdoors Colorado (GOCO) initiative that reconnects kids with nature, is distributing more than ...

Four poultry workers in Colorado have been diagnosed with bird flu, health officials confirmed Sunday. The new cases bring ...

Five poultry workers in northeast Colorado have fallen ill with bird flu as more human cases sprout across the U.S., state ...

The extreme heat that's been blanketing large parts of the country is creating conditions that could accelerate the spread of ...

Mountain chickadees demonstrate remarkable spatial memory for surviving winters by recalling numerous food cache locations, ...

Federal and state investigators in Colorado are investigating an outbreak of H5N1 bird flu on a poultry farm that has ...

One of the themes of this “Bird Lore” column is the annual cycle of bird life. The marvels of bird migration, which follow ...

The researchers analyzed UK Biobank data from more than 26,000 people to see how sleep duration, patterns and quality affect ...

Authorities have confirmed a case of the highly pathogenic avian influenza in Oklahoma dairy cattle, making Oklahoma the 13th ...