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Sunlight |
Plants |
Migrations |
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 Photoperiod (Mystery Class) |
 Whooping Crane Spring 2011 News |
 Monarch Butterfly Spring 2011 News |
 Symbolic Migration Spring 2011 News |
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Journey North explores the interrelated aspects of seasonal change. Changes in sunlight drive all seasonal change. Plants and animals around the globe must respond. Watch how the seasons affect the entire web of life — and report your own backyard observations.
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 Gray Whale Spring 2011 News |
 Hummingbird Spring 2011 News |
 American Robin Spring 2011 News |
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 Phenology Spring 2011 News |
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 Weather and Songbird Migration |
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More
Migrations and Signs of Spring (Our Limited Coverage Species and Events) |
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Please Report Your Observations!
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