Join volunteer naturalists to learn about birding year-round in Boulder County. This program will explore where to find and how to identify some of our local and migratory birds and introduce you to an amazing range of ecosystems and habitats. Registration required. Register Registration for this event is required through the Louisville Public Library website.

Winter is a great time to explore the natural wonders of Boulder County! Join volunteer naturalists to learn about the many wonders of winter and how plants and animals adapt to snow and cold — from the Great Plains to the Continental Divide. Registration required. Register Registration is required through Discover Boulder County, Parks & Open Space’s volunteer and event registration system. If you’re new to the system, you'll need to create an account. But it’s easy and we only use your contact information to communicate about events you register for. We will never sell or give your information to a third party.

Meet us in the Montane to welcome winter and the changes the season brings. Walk around the lake and learn about how animals and plants take refuge during this time. Transportation from Boulder available for non-mountain drivers. Details provided upon registration. Registration for most programs begins on the 20th of the month before the event. Registration required. Register Registration is required through Discover Boulder County, Parks & Open Space’s volunteer and event registration system. If you’re new to the system, you'll need to create an account. But it’s easy and we only use your contact information to communicate about events you register for. We will never sell or give your information to a third party.

On the longest night of the year, experience what the night has to offer. Join volunteer naturalists for a flat, easy, 1-mile walk around the ponds at Pella Crossing. Explore open space after hours and discover the secrets of the dark, including local nocturnal wildlife and the winter constellations in the night sky. Registration required. Register Registration is required through Discover Boulder County, Parks & Open Space’s volunteer and event registration system. If you’re new to the system, you'll need to create an account. But it’s easy and we only use your contact information to communicate about events you register for. We will never sell or give your information to a third party.