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Related Experiment Video

Updated: Mar 11, 2026

An Experimental Approach to Investigating Effects of Artificial Light at Night on Free-Ranging Animals: Implementation, Results, and Directions for Future Research

An Experimental Approach to Investigating Effects of Artificial Light at Night on Free-Ranging Animals: Implementation, Results, and Directions for Future Research

Published on: February 2, 2022

Daylight saving time can decrease the frequency of wildlife-vehicle collisions.

William A Ellis¹, Sean I FitzGibbon¹, Benjamin J Barth¹

¹School of Agriculture and Food Science, The University of Queensland, Brisbane, Queensland 4072, Australia.

Biology Letters

|November 25, 2016

Summary

This summary is machine-generated.

Daylight saving time (DST) could reduce koala-vehicle collisions by shifting traffic away from peak nocturnal activity. This simple change may decrease wildlife-vehicle impacts, aiding conservation efforts.

Keywords:

conservation daylight saving wildlife conservation wildlife–vehicle collisions

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Low-Cost Automated Flight Intercept Trap for the Temporal Sub-Sampling of Flying Insects Attracted to Artificial Light at Night

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Published on: December 29, 2021

Area of Science:

Wildlife ecology
Conservation biology
Transportation safety

Background:

Koala populations are declining significantly, with vehicle collisions being a major threat.
Nocturnal wildlife behavior patterns often intersect with human commuter traffic times.

Purpose of the Study:

To investigate if Daylight Saving Time (DST) can mitigate koala-vehicle collisions.
To analyze the relationship between koala movements and traffic patterns.

Main Methods:

Tracking wild koalas (Phascolarctos cinereus) in southeast Queensland.
Comparing koala movement data with local traffic patterns.
Modeling the potential impact of DST on collision rates.

Main Results:

DST could reduce koala-vehicle collisions by an estimated 8% on weekdays and 11% on weekends.
Shifting traffic timing relative to koala activity and darkness is the key mechanism.

Conclusions:

Daylight Saving Time presents a potential, simple strategy to enhance road safety for wildlife.
Integrating wildlife conservation and road safety into DST policy discussions is recommended.