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	Podcast:		Local Features by WXPR
	Episode:		Animals and Daylight Saving Time
	Category:		Government & Organizations
	Duration:		00:03:58
	Publish Date:		2019-03-18 05:00:00
	Description:		We all had to spring forward recently, a move that extends the afternoon daylight. In this week’s Wildlife Matters, the Masked Biologist examines the impact of photoperiods on living things including us. The recent change to Daylight Savings Time got me thinking about animals and daylight. The creatures in the woods do not have to change their clocks, naturally, but the seasonal change in day length plays an important role in their lives. Biologists use the word “photoperiod” as a way of saying “number of daylight hours.” Here in the United States, we humans value the role of photoperiod in our lives and society so much that we chose to change our clocks twice a year to maximize our use of daily photoperiod. Basically, we fool with Mother Nature! Only a handful of nations in the world use Daylight Savings Time, and most are in the Northern Hemisphere. Why the Northern Hemisphere? In our location on the globe, we see a dramatic change in photoperiod length. December 21 st is the winter
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