Wild Birds Respond Differently to the First Long Days of a Year

The seasons and climate change have a major influence on animals and their breeding schedules. Not only does it effect themselves, but also their young because of the temperatures necessary to find food for their families. Many wildlife use seasons to determine their reproduction times as well. To test this, scientists exposed the birds in the lab to short winter days and then a long summer day. The scientists were able to establish which genes were activated in the brain during the single long day of summer. Many different kinds of birds responded differently because of their specific season that they lay their eggs. Birds up North and birds down South have different time periods during the year that they can raise and breed because of the climate change and different weather patters.

(http://www.sciencedaily.com/releases/2012/04/120424095800.htm)

Katie Brockway

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