Warm winter means little slumber for Sierra Nevada bears

摘要

California's winter is so mild this year that Sierra Nevada black bears that normally would berndeep in hibernation are instead roaming through areas frequented by humans.rnWildlife officials are working to notify visitors in popular areas like Lake Tahoe and YosemiternNational Park after a series of unusual interactions with bears. A bear ran across a ski runrnearlier this month at Heavenly Mountain Resort in South Lake Tahoe, Calif., and wildlife officialsrnin Nevada euthanized a 260-pound male be