A new report says at least 112 North American bird species have lost more than half their populations in the past 50 years.

He spotted the springtime surprise unfolding at a busy city intersection about a block from the White House: In a planter, a ...

ALAMEDA, CA — Carol Bernard caught this photo of a mallard duck pair as they took flight at Encinal Basin in Alameda on Monday. The photo captures their powerful wings extended, with individual flight ...

The first week of March came with a roller coaster of emotions.

Herrick said mallards are an introduced species and need to be controlled, and following a very wet spring, their numbers ...

Knowing where, when and for how long mallard ducks—natural carriers of avian influenza—stop and rest as they migrate can help predict the probability that they will spread bird flu to backyard ...

Driving down a county road last week, I watched as three mallard ducks zipped across the sky and began a steep, curving decent to a point just ahead. What had ...

At least 112 North American bird species have lost more than half their populations in the past 50 years, according to a new ...