Colorado Parks and Wildlife reminds Coloradans to lock up trash and food sources as bear activity peaks this fall. June 21, 2025 - American Black Bear - Pole Hill community As fall weather settles across Colorado, black bears enter hyperphagia–a natural phase of increased activity and intense eating to prepare their bodies to survive the winter. Bears will be traveling up to 20 hours per day in search of food and chance encounters are likely to increase. Colorado Parks and Wi