Time change, particularly the end of daylight saving time in November, can have a significant impact on deer mortality. As the clocks shift back, the evening commute for many people coincides with dusk, a prime time for deer to be active. This short overlap increases the likelihood of vehicle-deer collisions, creating higher deer mortality rates during the fall months. Drivers are advised to be especially cautious during this period, watching for deer near roads and taking precautions to reduce the risk of collisions, such as slowing down and using high beams when appropriate.

Cunningham, C.X. et al. (2022) ‘Permanent daylight saving time would reduce deer-vehicle collisions’, Current Biology, 32(22). doi:10.1016/j.cub.2022.10.007.

Jolley, F.H. (no date) Highest number of deer/vehicle collisions in Utah occur during November; DWR offers safety tips, Utah Division of Wildlife Resources. Available at: https://wildlife.utah.gov/news/utah-wildlife-news/1784-highest-number-of-deer-vehicle-collisions-in-utah-occur-in-november-and-safety-tips.html (Accessed: 21 October 2023).

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