There are a few shallow ravines in the foothills north of Boulder where sprawling hackberry trees thrive among knee-high grasses and scattered shrubs.
In a wetland near Boulder Reservoir, two courageous northern harriers have been fighting the battle of their lives.
Tom Wilderding started a thread labeled “Overeager” on Cobirds, the Colorado Field Ornithologist’s website, last January when he wrote about taking 100 photos of a rare yellow-billed loon, a large...
"Where have our backyard birds gone?" Probably up to the foothills, where a trifecta of conifer cone crops has provided a cold-weather banquet.
Heavy October and November snows, along with frigid temperatures in the Northern Plains, have contributed to a modest influx of ferruginous and rough-legged hawks into Boulder County.
After our relatively wet spring and early summer, blanketflowers (Gaillardia aristata) have burst into bloom in mountain meadows, where they attract legions of bees, butterflies, moths and spiders.
If there is a tornado “season” in Boulder, it would center on the month of June. Since 1975, eight of 14 tornadoes reported within Boulder County occurred during this month,...