Boulder County Community Survey: Some residents will receive a text message over the next two weeks asking them to take a survey.

Boulder County government offices closed Thursday, Nov. 27, and Friday, Nov. 28, for the Thanksgiving holiday.

Carlos Lerma

City Nature Challenge iNaturalist Bioblitz

Harney Lastoka Open Space

Ravens and Wolves: Vilified, Revered, and Fascinating

Mud Lake 2034 County Rd 126, Nederland, CO

Early Spring Flowers

Bald Mountain 4241 Sunshine Canyon Dr, Boulder, CO

Astronomy: Exploring Other Worlds Slideshow Program

Lyons Community Library 451 4th Ave, Lyons, CO

Art in the Parks: Sketching, Light & Shadow

Ron Stewart Preserve at Rabbit Mountain 14950 N. 55th St., Longmont, CO

Fossils and Flowers Hike at Six-Mile Fold

Hikes for Seniors: Wildflowers On the Trail

Walker Ranch Meyers Gulch Trailhead 7325 Flagstaff Rd., Boulder, CO

World Migratory Bird Day at Walden Ponds Wildlife Habitat

Walden Ponds Wildlife Habitat 3893 N. 75th St., Boulder, CO

Wander, Wonder, & Watercolor: A Nature Journaling Journey

Walden Ponds Wildlife Habitat 3893 N. 75th St., Boulder, CO

Astronomy: A Visible Asteroid

Ron Stewart Preserve at Rabbit Mountain 14950 N. 55th St., Longmont, CO

Rattlesnake Hike

Ron Stewart Preserve at Rabbit Mountain 14950 N. 55th St., Longmont, CO

All About Evergreens Hike

Mud Lake 2034 County Rd 126, Nederland, CO