Do Snakes Hibernate in Boulder, Colorado? The Truth About Winter Brumation As the crisp days of fall give way to snowy mornings in Boulder, the city’s familiar snakes seem to vanish. Hikers along Boulder Creek, climbers at Eldorado Canyon, and families wandering Chautauqua Park all wonder the same thing: where did the snakes go? Do […]

Rattlesnakes are most active between early spring and mid-fall. In the winter, they hibernate. Rattlesnakes are most active and aggressive during the spring and early summer, just following their hibernation period. When a rattlesnake rattles its tail, it is doing it in order to warn you away, not to bite you. Be cooperative by gradually […]