BCAS Articles
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.
BCAS Teen Naturalists Inventory Raptors, Conduct Breeding Bird Surveys, and Photograph Wildlife
Boulder County Audubon teen naturalists inventoried raptors along the Rabbit Mountain Survey Route, counting a total of 56 eagles, hawks, and falcons during a single morning; toured the Birds of Prey Rehabilitation Foundation flight cages in Broomfield; photographed courting ducks at Wheat Ridge Greenbelt; and contributed enthusiastically to the Boulder Christmas Bird Count.