Searing heat may have played a role in the infections of five workers who fell ill last week while culling a large flock of chickens infected with the H5N1 virus in Colorado, health officials said ...

There aren't a lot of birds at the Rocky Mountain Raptor Program of late, because many of the sick birds they are getting calls on, just can't be helped. The calls are there. People reporting birds ...

Winters in the Colorado Rocky Mountains can be long and formidable. Before the snow flies, thousands of birds migrate each fall to escape the cold. Mary Harris, the chair of the Roaring Fork Audubon, ...

DENVER (KDVR) — Bird flu killed most of a backyard chicken flock in Colorado, a federal lab confirmed, as officials warned of a rise in the disease during migratory season. The new case of highly ...

PUEBLO, Colo. — Farmers in Colorado who raise birds are cautiously monitoring the bird flu outbreak. The Colorado Department of Agriculture reports the most recent cases were found in Larimer County ...

An avian flu outbreak at a Colorado commercial egg facility prompted Gov. Jared Polis to declare a disaster emergency Tuesday, allowing the facility to receive state assistance. As reported by ABC ...

Bird flu has killed at least four bald eagles in Colorado and threatens hundreds of other rare raptors and wild birds, as Colorado agriculture and wildlife officials struggle with an outbreak they ...

Bird flu has infected six farmworkers in Colorado this month — the most in any state — as health officials stressed the importance of preparedness to contain the H5N1 virus spreading in dairy herds ...

Coloradans are being asked to dim their lights to aid millions of birds flying over the state each night amid the annual fall migration. Every year, billions of birds migrate north in the spring and ...

The flaming carcass of an electrocuted bird was determined to be the cause of the Quail Hollow fire in July in Arapahoe County, Colorado, that burned more than 1,100 acres and destroyed property ...