BCAS Articles
A Birder’s Paradise
2026 Hog Island Scholarship recipient Calliope Scott remembers a beautiful place, special birds, and kind people at camp in June.
Photo by Calliope Scott.
Teen Naturalists Hug Flamingos and Learn About Endangered Birds at Denver Zoo
We had an amazing time with the Boulder County Audubon Society Teen Naturalist program meeting and learning about birds at the Denver Zoo. Thumbnail photo by Courtney Rella.
Teen Naturalists Tour the Rocky Mountain Raptor Program
In February 2026, the Teen Naturalists from the Boulder County Audubon Society had their second outing of the year to learn more about birds of prey in Ft. Collins at the Rocky Mountain Raptor Program.
Teen Naturalists Delve Into DMNS Collections
… Some teens got to peek into a large bin with beetles cleaning bones by eating flesh off then. Other teens didn’t like bugs or the odor produced and hung back….
Winter Ducks in Warm Weather: Teen Naturalist January 2026
The Boulder County Audubon Teen Naturalists program kicked off 2026 with a photography-focused outing to Prospect Park in Wheat Ridge, CO to observe and photograph wintering ducks.
2025 Boulder Christmas Bird Count Results
The 84th Boulder CBC was held on a mercifully calm 14 December 2025. Our count day total of 110 species ties our best tally in the last 10 years, with 5 more count-week species coming in to reach 115 total for our 2025 count window. Our participation was outstanding, with 184 folks contributing their talents in the field and watching feeders.
Teen Naturalists: Winter Raptor Survey Trip Report
It was a crisp, sparkling morning, with our always enthusiastic, knowledgeable group.
July Nature Almanac: Ovenbirds Fill Foothills Canyons with Exotic Song
Beginning about 15 years ago, we began to hear Ovenbirds singing in most of our moist foothills canyons containing ponderosa pine and Rocky Mountain maple. What brought them here, and could the maple leaves be providing a suitable substitute for oak leaves in their nests?
Teen Naturalists: Moonlight Hike on Bobolink and Centennial Trails
Five of us walked 2 miles under a brilliant full moon, accompanied most of the way by the soothing sounds of chorus frogs and winnowing snipe.
Teen Naturalists: Arthropods at the Butterfly Pavillion
Entomologist Francisco Garcia took the group into the collection room to show us how the staff at the Pavilion manages and cares for a large collection of arthropods from all over the world.
Teen Naturalists Winter Raptor Survey Results
We did achieve a new high for raptors on this particular survey; capped by a ferruginous hawk who soared in from the north and circled over the parking lot.
A Week at Hog Island, Maine
My time at Hog Island was an unbelievable experience filled with remarkable birds, fantastic activities, and the best of people.
Winter Raptor Surveys at White Rocks
Seven teen naturalists and three fellow travelers hiked the White Rocks Trail on a crisp, foggy morning with sunlight filtering through the mist and hoarfrost glistening on the willows.
Teen Naturalists Plot Bald Eagle Roosts and Set Christmas Count Record
Data from these hikes will help inform future trail development within this floodplain, much of which is designated as critical wildlife habitat in the Boulder County Comprehensive Plan.
Winter Raptor Survey at White Rocks
Sixteen participants (9 students and 7 adults) conducted a wintering raptor survey along the White Rocks Trail.
Teen Naturalist Program Relaunches with Stargazing & Fall Colors
The Teen Naturalists have been busy this fall and have more upcoming trips planned.
New North American Meadowlark Species -- Based on Research of A Teen Naturalist Alum!
The American Ornithological Society has accepted the split of Eastern Meadowlark with Chihuanuan Meadowlark that includes the “Lilian’s Meadowlark”. The proposal was written by Johanna Beam, an alum of the Teen Naturalists program.
Teen Naturalists Uncover Tallgrass Treasures
When international documentary filmmaker Yan Chun Su offered to lead a filmmaking workshop for our Boulder County Audubon Teen Naturalists, we had no idea what they would come up with. None of the students had ever attempted videography, and many were just beginning to experiment with close-up photography.
Boulder County Audubon Teen Naturalists Highlight Another Successful Year
If you’d searched for the Boulder County Audubon Teen Naturalists in 2018-2019, you’d have found them observing wildlife near and far.