Stage 1 Fire Restrictions, effective Aug. 12, 2025, for unincorporated western Boulder County.
Visit the Boulder County Ballot Measures website for information about possible 2025 ballot measures.
Some birds are seen year-round in Boulder County, some only in summer or winter, and others visit only briefly in spring or fall. Learn why birds make seasonal journeys, how they know when and where to go, how they find their way, and what brings them back year after year. Join volunteer naturalists to explore these and other fascinating mysteries surrounding the amazing world of bird migration.
Registration required.