Bird flu fears have focused on the poultry and dairy industries and human health. But wild animals are threatened, too—at ...

Trek through canyons looking for rare hummingbirds, visit stalactite-filled caves, and explore U.S. history at a military ...

A university biologist fears Project Blue data centers will need reclaimed water that now runs in the Santa Cruz. Tucson ...

With it's widely varied landscapes, Arizona is home to so many cool creatures. These are 10 of the most unique animals. Have you seen them all?

If you find a bird feather – how can you tell which species it belongs to? An ornithologist in the Forensic Laboratory at the ...

Every spring, Oregon birders break out their binoculars to catch glimpses of colorful migrating birds. But this year, ...

Today at least 406 wild bird species and 51 wild mammals globally have been infected ... a round-tailed ground squirrel and a desert cottontail in Arizona. Red foxes in Colorado, New York and ...

A trio of some of the most endangered birds in the world were relocated from their home in the Vermillion Cliffs of Arizona ...

Predicting this South Pacific seabird’s appearance in the state was utterly absurd – there had never been a Juan Fernandez ...

Bird flu was nearly everywhere in the U.S.—in chickens, cows, pet cats and even humans. Cases have gone down, but experts warn that it hasn’t disappeared ...