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Butterfly Trees! This is how a monarch butterfly colony looks from the air. The trees look orange because there are so many butterflies! How many butterflies are in this picture? This week, find out how scientists estimate the number of monarchs that are in a butterfly colony like this. Photo: © Dr. Lincoln Brower This Season Teachers Kids Orientation Registration Search Copyright 1997-2008 Journey North. All Rights Reserved. Questions or comments? Contact us.