Add Yahoo as a preferred source to see more of our stories on Google. Mountain chickadees are unusual in having more complex calls than songs. Vladimir Pravosudov I approach a flock of mountain ...

How to identify: Like all chickadees, the mountain chickadee has striking black-and-white markings on the head and gray elsewhere. The white stripe over the eye identifies mountain chickadees from all ...

Mountain chickadees in Boulder have evolved a different tune to avoid getting mixed up with their cousins, according to a new CU Boulder-led study published Oct. 9 in the Journal of Evolutionary ...

Mountain chickadees in Boulder have evolved a different tune to avoid getting mixed up with their cousins, according to a new CU Boulder-led study published Oct. 9 in the Journal of Evolutionary ...

The chickadee flew right past me to a tree 15 feet away and disappeared into a hole in a gnarly ponderosa pine. It emerged less than a minute later, watched me for a moment and left to collect more ...

Add Yahoo as a preferred source to see more of our stories on Google. Mountain chickadees struggle with snow extremes. Benjamin Sonnenberg Wet snow pelts my face and pulls against my skis as I climb ...

Lost your keys? Misplaced your glasses? Can’t remember where you parked the car? You may wish you had the memory of a mountain chickadee. In warmer months, these half-ounce birds, with brains slightly ...

I was hoping to refill my empty water bottle with good mountain water when I returned from my hike, but I had to wait in line. As I rounded the corner of the rustic restroom building near Stonewall ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Sofia Marie Haley, University of Nevada, Reno (THE CONVERSATION) I approach a flock of ...