Pa. Game Commission warns drivers to look out for 'increasingly active' deer

It's mating season for deer, which means the animals will be darting across the woods — and, in some cases, wandering onto roads.

The Pennsylvania Game Commission is warning drivers to "slow down and stay alert" during this period, sometimes called "the rut." It typically lasts from mid-fall to early winter, and is further complicated by the end of daylight saving time Nov. 2. With " increasingly active" deer, the risk of collisions is higher. The autumn migration of yearling bucks to new ranges doesn't help, either. MORE: Philly's waterways are polluted by billions of gallons of sewage each year, report finds

"The months of October, November, and December are when deer are moving around the most, and for longer durations during the day," Game Commission Executive Director Steve