The Boulder County Audubon Society is a voice for birds and wildlife conservation through habitat protection, advocacy, and nature education.
Read the Latest BCAS Articles
When 2-5 feet of snow fell on Boulder County's foothills and mountains during the second week of March, local wildflower-lovers jumped with joy.
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.
Updates on 79th Street Tennis Facility, East Boulder Creek Site Management Plan, NOCO Plances, and the Boulder County Weed Management Plan.
The significance of enriched environments for indoor cats cannot be overstated. Catios, or cat enclosures, provide a sanctuary where cats can indulge their curiosity and natural behaviors in a controlled environment.
Upcoming Events
Boulder Valley Ranch, Sage Trailhead (map)
Explore vast galaxies in the night sky with community naturalist Dave Sutherland.
NOTE: This program will be offered from 8:30-10:30 PM on ONE date - April 28, 29, or 30. Registered participants will be notified of the chosen date.
Photo: Actual view of the Needle Galaxy NGC 4565 through Dave's telescope, by Dave Sutherland.
Cottonwood Marsh Trailhead at Walden Ponds Wildlife Habitat (map)
NOTE: This trip was rescheduled from Saturday April 6 due to weather and trail conditions.
Per Boulder County Parks and Open Space’s website for this area, most Walden Ponds trails have reopened.
Bird Walden Ponds Wildlife Habitat with local birder Carl Starace, to look for returning songbirds, shorebirds and more.
Photo credit: Lesser Yellowlegs, multiple photographers credited at the bottom of the BCAS Regional Birds photo gallery webpage.
Discover the fun of observing birds and other natural wonders with knowledgeable Lafayette bird watchers.
Photo credit: White-faced Ibis, multiple photographers credited at the bottom of the BCAS Regional Birds photo gallery webpage.
Picture Rock Trailhead, Heil Valley Ranch, Red Gulch Road, Lyons, CO (map)
Observe early summer birds along Old St. Vrain Road with local birder Carl Starace.
Photo credit: Violet-green Swallow, multiple photographers credited at the bottom of the BCAS Regional Birds photo gallery webpage.
Observe birds mindfully and deeply along the Goshawk Ridge trail with birder Peter Ruprecht.
Photo of Western Tanager by Kevin Smith.