In June, if you’re observant, a window of nature opens for a short time. By now, common songbirds like chickadees and American robins have finally coaxed their growing young out of their nests and ...

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 ...

Now is the time of the year black-capped chickadees seek nest sites for the breeding season. This species is a year ‘round resident and is considered an obligate cavity nester and will use nest boxes ...

Barbara & Dan Gleason Spring is when most birds court, breed and raise young, and they must find — or build — a safe place for eggs and nestlings. Nearly all birds use a nest of some kind, ...

It balances nesting science with color and charm.

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 ...