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An environmental group is suing U.S. wildlife managers, saying they have failed to protect a rare grouse found in one of the country's most prolific areas for oil and gas development.

Every Tuesday, KUNC's Samantha Coetzee speaks with our colleagues over at the Colorado Sun about the local stories they're following.Today she spoke with environment writer Michael Booth about wolf reintroduction, drying golf courses and the yellow rail.

This year’s strain of the bird flu is still killing birds in our region, from poultry to hawks. Officials hope the virus dies out later this summer, but until then, they urge bird owners to use good hygiene practices and to protect the birds from other wild species.

Health officials detected H5N1 influenza – known as avian flu – in the nose of a 40-year-old man who was culling the chickens in Montrose County as part of a prison pre-release work program.

New research is the first to use GPS-tracking data to look into the effects of wildfire smoke on bird migration. Its findings suggest that tagged geese changed their behavior to avoid smoky conditions.

Last April, a disturbance in the bald eagle nest at Standley Lake in Westminster — in the form of a hostile takeover — rocked the eagle enthusiast world. Park ranger Lexie Sierra-Martinez joined Colorado Edition to explain last year's hubbub and share some updates on the eagle situation this year.

Spring bird migration is underway and will continue in the Mountain West for the next few months.

Parts of the Mountain West are still seeing snow and frost and sleet – but there's one sure sign that spring is actually here: the songs of migrating birds.

A salmonella outbreak is killing songbirds around the West, and it continues to spread.

The bond between people and their pets can be incredibly strong. But it’s not always one that others easily understand.