Ben Sonnenberg, a doctoral student in the Ecology, Evolution and Conservation Biology program, studies chickadees with Vladimir Pravosudov. Sonnenberg has coauthored many publications about the ...

GILBY, N.D. — The black-capped chickadee may be the most familiar of our winter birds. Every feeder will have at least one, most likely several, and every wood patch will have a small flock. The ...

I am pelted by wet snow as I climb above 8,000 feet in the Sierra Nevada of eastern California, tugging a sled loaded with batteries, bolts, wire and 40 pounds of sunflower seeds critical to our ...

Benjamin Sonnenberg receives funding from the National Science Foundation. Wet snow pelts my face and pulls against my skis as I climb above 8,000 feet in the Sierra Nevada of eastern California, ...

Black-capped chickadees have extraordinary memories that can recall the locations of thousands of morsels of food to help them survive the winter. Now scientists at Columbia's Zuckerman Institute have ...

Last week, a reader named Joy emailed me a photo of a bird that she couldn’t quite identify. One look at the photo, and I instantly understood both the observer's confusion and the mystery bird's ...

Your ability to remember and recall moments in time is important for recording life-defining moments and everyday information like where you parked the car. Now researchers reporting in the journal ...