The East Bay Regional Park District released an advisory today on rattlesnakes, which emerge from winter hibernation in early spring and become more active. Warm weather can bring more potential for rattlesnake encounters with humans and dogs, particularly along trails and roads. | The Richmond Standard The East Bay Regional Park District released an advisory today on rattlesnakes, which emerge from winter hibernation in early spring and become more active. Warm weather can bring more potential for rattlesnake encounters with humans and dogs, particularly along trails and roads. Visitors are encouraged to avoid hiking alone in case of