Monarch Butterflies wintering near Zitacuaro, Michoacan, Mexico
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 Gallery: Denny Granstrand's Wildlife Photos  Album: Monarch Butterflies wintering near Zitacuaro, Michoacan, Mexico   
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One tree trunk was packed with butterflies!

First Photo Previous Photo 17 (of 17)    
 Gallery: Denny Granstrand's Wildlife Photos  Album: Monarch Butterflies wintering near Zitacuaro, Michoacan, Mexico   
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